Dp70 dp90 en

Operating Instructions

Excellence Dropping Point Systems DP70 DP90

Table of contents

1

Introduction

7

2

General and instrument-specific safety information

9

3

Design and Function 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.9.1 3.9.2 3.9.3 3.9.4 3.10 3.11

4

Measuring principle: basics Instrument overview DP70 Instrument overview DP90 Connections at the back of the DP70 and DP90 Design of the measuring cell DP70 and DP90 Control panel layout Operating the touch screen The Home screen The user interface Entering data Entering text and numbers Shortcuts and direct shortcuts Creating shortcuts Methods Manual methods

13 14 15 16 17 18 18 18 19 19 20 21 21 23 23

Installation

25 4.1 4.2 4.3 4.4

5

13

Deliverables Work area Starting up and shutting down the instrument Transporting the instrument

25 25 26 28

Setting up an Experiment 5.1 5.1.1 5.1.2 5.1.2.1 5.1.2.2 5.1.2.3 5.1.3 5.2 5.3 5.4 5.5 5.5.1 5.5.2 5.5.2.1 5.5.3 5.5.3.1 5.5.4 5.6 5.6.1 5.6.2

29

Creating a method Title dialog Temperature program dialog Temperature segments dialog Evaluation dialog Termination and end behavior dialog Report dialog Deleting a method Creating a manual method Converting a manual method to a regular method Preparing the samples Assembling the sample carrier Preparing samples for the dropping point method Rules for the most important measurement parameters (DP) Preparing samples for the softening point method Rules for the most important measurement parameters (SP) Preparing powders and liquids with the sample preparation tool Running an analysis Determining the dropping point or softening point manually Information displayed during an analysis

29 30 30 30 31 32 32 33 33 35 35 35 36 37 37 37 39 40 42 43

Table of contents

3

5.7 5.7.1 5.7.2 5.8 6

General Tasks and Settings 6.1 6.2 6.3 6.4 6.4.1 6.4.2 6.4.3 6.4.4 6.4.5 6.5 6.5.1 6.5.2 6.5.2.1 6.5.2.2 6.5.2.3 6.5.2.4 6.5.2.5 6.5.3 6.5.3.1 6.5.3.2 6.5.4

7

Table of contents

Setup dialog Displaying information on your instrument Manual tasks menu User settings Language Screen Beep Shortcuts Keyboards Global settings System settings User management Adding a new user account Account policies User groups Editing a user name Deleting a user account Behavior of analyses and resources Analysis sequence settings Expiration of adjustment data Printing possibilities

Maintenance 7.1 7.1.1 7.1.2 7.1.3 7.1.4 7.1.5 7.2 7.2.1 7.2.2 7.2.3 7.3 7.4 7.5 7.6 7.6.1 7.6.1.1 7.6.1.2 7.6.2 7.6.3 7.6.4

4

Viewing the analysis results Statistics Length curve and video Deleting an analysis

44 46 46 47 49 49 49 50 51 51 51 51 51 52 52 52 53 53 54 56 56 57 57 57 57 59 61

Calibration and adjustment Performing a calibration Administrating calibration substances Deleting a calibration substance Performing an adjustment Viewing the adjustment parameters General care for your instrument Cleaning the housing and control panel Cleaning the insulation glass and glass plate Cleaning the furnace Importing and exporting data Resetting the instrument to factory settings Updating the instrument software Supported devices and options Printers Installing the printers Network connection Barcode readers USB memory stick SD card and SD card reader

61 61 61 62 62 65 66 68 68 70 71 72 73 73 73 75 77 79 79 80

7.6.5 7.6.6 7.6.7 7.7 7.8 8

Keyboard and mouse Setting up network storage Virtual Network Computing (VNC) License Agreement for METTLER TOLEDO Dropping Point Systems Instru足 ment Software Disposal

Troubleshooting 8.1 8.2

80 81 82 83 84 85

Error messages and warnings Repairs and support

85 89

9

Technical Specifications

91

10

Standard Deliverables and Options

93

11

Index

95

Table of contents

5

1 Introduction Thank you for purchasing this innovative METTLER TOLEDO instrument.

The Excellence Dropping Point System is an easy-to-operate instrument for accurate dropping point and soften­ ing point measurements with video observation and replay on the instrument.

Performance at a glance ● One click and superior ergonomics - quick to learn, easy to operate ● Simultaneous measurement of 2 samples - increases productivity ● Convenient playback of high resolution color videos - offers maximum insight ● Compliant with standards - ensures trustworthy measurements and results In addition to the new features, the Excellence Dropping Point Systems adhere to the same high quality stan­ dards as expected within the METTLER TOLEDO family of high precision laboratory instruments. ● Multilingual graphical user interface with the same intuitive menu guidance as other METTLER TOLEDO

instruments, making the operating instructions primarily a source of reference ● Great flexibility in the mode of operation due to flexible and adaptable methods ● Innovative technology and a commitment to total quality

Introduction

7

Firmware version of your instrument These operating instructions refer to instruments running version 1.00 of the firmware.

The firmware version of your instrument is displayed in the Identification dialog (see the section "System" (page 52)) or in the login dialog.

8

Introduction

2 General and instrument-specific safety information The instrument should only be operated in sound condition according to the operating instructions. Do not open the instrument. They do not contain any parts which can be maintained, repaired or replaced by the user. If you have problems with your instrument, contact your authorized METTLER TOLEDO dealer or service representative.

Note: These operating instructions describe the operation of DP70 and DP90.

Intended use The Dropping Point instrument is intended for performing measurements for determining the dropping or soften­ ing point. All other uses and operation beyond the limits of operation defined by Mettler-Toledo AG without writ­ ten consent from Mettler-Toledo AG is considered as inappropriate.

The instrument has been tested for the experiments and intended purposes documented in the operating instruc­ tions. However, this does not absolve you from the responsibility of performing your own tests of the products supplied by us regarding their suitability for the methods and purposes you intend to use them for. You should therefore observe the following safety measures.

The limits of operation can be found in "Technical Specifications" (page 91).

Staff safety The operating instructions must be read and understood. If the instrument is not used according to these oper­ ating instructions, protection of the instrument may be impaired. The instrument should only be operated by qualified personnel. METTLER TOLEDO recommends appropriate training and offers the respective seminars.

The instrument must not be modified by reconstructive measures compared to the factory original.

Protective clothing It is advisable to wear protective clothing in the laboratory when working with the instrument.

A lab coat and suitable eye protection, such as safety spectacles, goggles or a face shield should be worn.

Use appropriate gloves when handling chemicals or hazardous substances, checking their integrity before use.

Instrument-specific safety information Safety notes are marked with warning triangles. The following symbols show safety issues and warnings.

Ignoring the safety notes may lead to personal injury, damage to the instrument, malfunctions and false results.

In general, please follow the lab safety guidelines as prescribed by your facility in order to avoid injury to your­ self or others.

Caution

Electrical shock hazard

Explosion hazard

Risk of burns

Corrosion hazard

Risk of frostbite

General and instrument-specific safety information

9

Measures for your protection Dropping Point system ● Ensure that you plug the power cable supplied into a receptacle outlet that is

grounded! In the absence of grounding, a technical fault could be lethal. ● Never work in an environment subject to explosion hazards! The housing of the

instrument is not gas tight (explosion hazard due to spark formation, corrosion caused by the ingress of gases).

Dropping Point Instruments DP70 / DP90 ● Never touch the furnace, furnace lid or a sample you have just removed from the furnace (capillary tubes, glass tubes, slides, sample cups or crucibles)! The temper­ ature of the furnace can reach up to 400 °C. ● Place the instrument in a fume hood if you measure substances which form toxic

gases through decomposition!

The DP90 measuring cell can be cooled down to extremely cold temperatures. Touch­ ing the measuring cell could cause frostbite.

● When using chemicals and solvents, comply with the instructions of the manufac­

turer and the general lab safety rules! ● Never observe the samples without wearing protective goggles! If the sample

decomposes suddenly, the hot sample could be sprayed into the air. ● Never position the instrument at the front edge of the bench!

Operational safety ● Never unscrew the housing! ● Check if the operating voltage matches the line voltage before you switch on the

● ● ● ●

instrument! The instrument may suffer damage if the operating voltage does not match the line voltage.

Never stack paper on top of the instrument! This impedes the cooling.

Use indoors in a well-ventilated area.

Any spillage should be wiped off immediately! Some solvents might cause corrosion of the housing.

Avoid the following environmental influences: • Powerful vibrations • Direct sunlight • Atmospheric humidity greater than 80% (non-condensing) • Corrosive gas atmosphere • Temperatures below 10 °C and above 35 °C (control unit) • Powerful electric or magnetic fields

● Have the instrument serviced only by METTLER TOLEDO Service!

Please note that the above list is not exhaustive; other items and precautions may have to be considered.

10

General and instrument-specific safety information

FCC Rules and the Radio Interference Relation This equipment has been tested and found to comply with the Limits for a Class A digital device, pursuant to both Part 15 of the FCC Rules and the radio interference regulations of the Canadian Department of Communi­ cations. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio fre­ quency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is like to cause harmful interference in which case the user will be required to correct the interference at his own expense.

Cet appareil a été testé et s'est avéré conforme aux limites prévues pour les appareils numériques de classe A et à la partie 15 des règlements FCC et à la réglementation des radio-interférences du Canadian Department of Communications. Ces limites sont destinées à fournir une protection adéquate contre les interférences néfastes lorsque I' appareil est utilisé dans un environnement commercial. Cet appareil génère, utilise et peut radier une énergie à fréquence radioélectrique; II est en outre susceptible d'engendrer des interférences avec les communi­ cations radio, s'il n'est pas installé et utilisé conformément aux instructions du mode d'emploi. L'utilisation de cet appareil dans les zones résidentieIIes peut causer des interférences néfastes, auquel cas l'exploitant sera amené à prendre les dispositions utiles pour palier aux interférences à ses propres frais.

General and instrument-specific safety information

11

12

General and instrument-specific safety information

3 Design and Function This chapter describes the mechanical design and functions of the DP70 and DP90 instruments.

3.1 Measuring principle: basics The dropping point (DP) is defined as the temperature at which the first drop of a melted sample of the sub­ stance under investigation flows through the 2.8 mm opening of a standard dropping point sample cup on slow heating.

Dropping point measurements are possible only with samples which have a low enough viscosity at elevated temperature (molten or liquid state) to flow through the 2.8 mm diameter opening: fats, paraffins, waxes, oils, organic powders, lubricating greases and also noncrystalline substances such as low molecular weight natural resins.

The softening point (SP) is defined as the temperature at which the softened sample in a standard softening point sample cup flows 19 mm out of the 6.35 mm diameter opening on slow heating.

The softening point determination is suitable for substances which soften on heating but do not have a low vis­ cosity, such as: tars, pitches, bitumen, asphalt, hot melts and resins.

The dropping point or softening point event is detected via video recording and simultaneous image evaluation.

The diagram below shows a schematic of the measuring principle for DP and SP.

Application table The following table contains a list of applications, the operation mode (DP or SP) and relevant standards for measuring the substances.

Application Operation mode Standard DP70 DP90 Pitch SP ASTM D3104, ASTM X X D3461 Asphalt SP ASTM D3461 X X Polyolefins DP ASTM D3954 X X Resins SP ASTM D6090 X X Waxes DP ASTM D3954, Ph. X X EUR 2.2.17 Paraffins DP Ph. EUR 2.2.17 X X Binders SP DIN 51920, ISO X X 4625-2 Lubricating greases DP IP 396 X X Organic powders DP X X Vaseline DP Ph. EUR 2.2.17 / X

Design and Function

13

Application Edible fats Edible oils

Operation mode Standard DP70 DP90 DP AOCS Cc 18-80 X DP AOCS Cc 18-80 X SP softening point, DP dropping point, X suitable, / partially suitable

3.2 Instrument overview DP70 The following drawing gives you an overview of the basic features of the instrument.

DP70 Control unit and measuring cell

1 Control panel 7 Power indicator light 2 Touch screen 8 Measuring cell 3 SD card socket 9 Lid 4 USB socket 10 Protective lid 5 Info key 11 Reset key 6 Power switch 12 Home keys The control panel (1) is used to operate the instrument. It features the touch screen (2) and four keys: the Info key (5), the Reset key (11) and the two Home keys (12). There is a Home key on each side of the control panel to facilitate operation. See the section "Control panel layout" (page 18) for more information. The power indicator light (7) lights up when the instrument is switched on with the power switch (6).

There are two ports on the right side below the control panel: the Secure Digital (SD) card slot (3) and the USB port (4). The SD card is inserted into the SD card slot. All video data is stored on the SD card. The USB stick, on which the instrument software is stored and from which it is uploaded, is inserted in the USB port.

The measuring cell (8) and furnace are located inside the cylinder-shaped part of the instrument. The lid (9) of the measuring cell can be opened to carry out certain maintenance tasks (see the section "General care for your instrument" (page 66)). The samples are loaded into the measuring cell by pulling back the protective lid (10) and inserting the sample carrier.

Note: Differences pertaining to the DP90 instrument are described in the next section "Instrument overview DP90" (page 15).

14

Design and Function

3.3 Instrument overview DP90 The DP90 consists of 2 units: one is the control unit and the other unit contains the measuring cell and fur­ nace. The following drawings give you an overview of the basic features of the instrument.

Control unit Measuring cell

1 Control panel 10 Lid 2 Touch screen 11 Protective lid 3 SD card socket 12 Cable (furnace signal) 4 USB socket 13 Cable (camera signal) 5 Info key 6 Power switch 7 Power indicator light 8 Reset key 9 Home keys The control panel on the control unit (1) is used to operate the instrument. It features the touch screen (2) and four keys: the Info key (5), the Reset key (11) and the two Home keys (9). There is a Home key on each side of the control panel to facilitate operation. See the section "Control panel layout" (page 18) for more informa­ tion. The power indicator light (7) lights up when the instrument is switched on with the power switch (6).

There are two ports on the right side below the control panel: the Secure Digital (SD) card slot (3) and the USB port (4). The SD card is inserted into the SD card slot. All video data is stored on the SD card. The USB stick, on which the instrument software is stored and from which it is uploaded, is inserted in the USB port.

The measuring cell is placed in the refrigerator or freezer, depending on the temperature required. The lid (10) of the measuring cell can be opened to carry out certain maintenance tasks: see the section "General care for your instrument" (page 66). The samples are loaded into the measuring cell by pulling back the protective lid (11) and inserting the sample carrier.

Design and Function

15

3.4 Connections at the back of the DP70 and DP90 The following picture shows the connections at the back of the instruments: DP70 DP90 (control unit)

1 USB type A ports 2 Ethernet connection 3 USB type B port 4 Power supply connection 5 Port (furnace signal) 6 Port (camera signal) Two USB type A ports (1) are available in addition to the USB port on the side of the instrument. They can be used, for example, to connect a local printer (line printer) or for updating the instrument software. The recom­ mended printer type is listed under "Standard deliverables and options" (page 93). The ethernet connection socket (2) can be used for example to connect a printer in a network. The USB type B port (3) is used only for service purposes. The power supply unit is connected to the power supply connection (4).

Ports (5) and (6) at the back of the control unit of the DP90 are used for data transfer between the control unit and measuring cell.

16

Design and Function

3.5Â Design of the measuring cell DP70 and DP90 The measuring cell of the DP70 is contained within the control unit. The measuring cell for DP90 is contained in a separate unit.

The design of the measuring cell can be seen in the following drawing. The principle is identical for both instru­ ments.

1 3 2 4 5 6

Sample carrier Furnace Insulation glass Furnace heating Fan Cooling duct

7 8 9 10 11

Insulation Light source Glass plate Camera system White balance carrier

Design and Function

17

3.6 Control panel layout The control panel of the terminal consists of an integrated touch screen and the following keys, located next to the touch-sensitive surface of the display.

On / Off

Home

Info

Reset

● The On / Off key starts the instrument and shuts down the instrument.

• Press On / Off shortly and the instrument is turned on or the screen saver activated if the instrument is

already on.

• Press On / Off for 1 second and the instrument shuts down. ● Two Home keys always return you to the Home screen. You can press these keys any time, regardless of

which dialog you are currently using. ● The Info key provides general information about the instrument. See the section "System settings" (page 52) for further details. ● The Reset key ends the task that is currently running.

Note: The Reset key acts as an "EMERGENCY STOP" switch. If the instrument malfunctions or there is an oper­ ating error, you can stop the current task by pressing the Reset key. You can still decide whether to end it com­ pletely or continue.

3.7 Operating the touch screen The instrument is generally operated with the touch screen.

CAUTION Sharp objects The touch screen may be damaged – Never touch the surface of the touch screen with pointed or sharp objects!

To select a button or an input element in any of the dialogs, you simply touch the screen using a soft blunt object (such as the eraser tip of a pencil) or your fingertip with a light amount of pressure - something between a "touch" and a "press".

3.8 The Home screen Home is the first dialog that appears after you initially start up the instrument and you log in with your user ID (if there is more than one user ID on the system).

All buttons

18

Design and Function

Furnace monitor area (1) - enlarged

The Home screen contains five buttons that lead to the dialogs listed below. Refer to the chapters indicated for a full description of the dialog contents.

1. Furnace monitor area: Pressing this button enlarges the area of the bar to a full display of the furnace sta­ tus (zoom in). Pressing the full display returns you to the Home screen (zoom out); see the section "Manu­ al tasks menu" (page 50).

2. Methods: This button takes you to the method editor, where you can create and manage methods; see the sections "Methods" (page 23) and "Creating a method" (page 29).

3. Results: Manage the results of your analyses; see the section "Viewing the analysis results" (page 44).

4. Setup: The hardware and resources the instrument uses are configured in the Setup menu. You can also change the global and user settings; see the section "Setup menu" (page 49).

5. Manual: This button takes you to manual operations. You can create manual methods, set the furnace tem­ perature, switch off the furnace and obtain an inside view of the furnace; see the section "Manual tasks menu" (page 50).

6. Shortcuts area: In addition to the buttons mentioned above, there is special area that can be configured individually by each user. Each user can store up to 12 shortcuts here. You can use such a shortcut to launch regular methods and manual methods directly from the home dialog; see the section "Shortcuts and direct shortcuts" (page 21).

Note: By pressing the Home key on the control panel, you can return to the Home screen from any dialog.

3.9 The user interface The graphical user interface consists of the following five basic elements:

1 2 3 4

5

The title bar at the top of the display specifies the name of the current dialog.

In the top right-hand corner, the Task panel informs you that a process is currently running. It changes from blue (no process running) to yellow (process running).

The navigation bar, located below the title bar, specifies the path to the current dialog.

The scroll bar on the right-hand side of the screen becomes visible if the content of the screen extends beyond the viewable area. If this occurs, use either the arrows or the area in between them to move the viewable area of the screen up or down.

Up to five buttons are located at the bottom of the screen. The function of these buttons varies and depends on the context of the current dialog.

3.9.1 Entering data The various types of text boxes and lists are identified by buttons on the right side of the screen.

Design and Function

19

There are different types of text boxes and lists in the user interface. They allow you to enter data or select items from a list. In some cases, boxes for input are unavailable.

Text Any text comprised of letters, numbers and symbols can be entered into these text boxes.

Comment

This text box is specific for making comments. Functions like an ABC text box.

Numbers

Numbers, formulas and auxiliary values can be entered into these text box­ es.

Info

The values in Info boxes are displayed as information only and cannot be changed in the corresponding dialog.

Info comment

Opens a window for viewing method comments in addition to the Method comment text box.

Drop-down list

Opens a drop-down list from which you can select an entry.

List

Opens a menu list in a new window.

Menu

Opens a new dialog with a number of additional menu options.

Note: In addition to the text boxes and lists, check boxes are available and can be selected to activate certain functionalities. Check boxes can affect the scope of the corresponding dialog, for example, text boxes can be hidden or visible depending on whether or not the check box is selected.

Where possible, you can also enter data by directly pressing the text box.

Sorting Lists All of the lists displayed in the user interface can be sorted alphabetically or numerically by column in ascend­ ing or descending order. To do this, press the parameter in the header row by which you would like to sort the list. A small arrow in the header row indicates the parameter by which the list is sorted and whether it is sorted in ascending or descending order.

3.9.2 Entering text and numbers Some dialogs include text boxes to enter text or numbers in a particular context.

Examples of text boxes in which alphanumeric text can be entered are the Method comment and Analysis comment boxes in the Manual method dialog. Examples of text boxes in which only numbers can be entered are the Start temperature and Heating rate boxes in the Manual method dialog.

Pressing or next to a text box opens the ABC keyboard dialog, which allows you to enter characters including letters, numbers and a variety of special characters. You can enter up to 30 characters with the button and up to 180 characters with the button. The maximum number of characters allowed is indicated under the text box at the top of the dialog.

You can enter lower and upper case letters by toggling with the a button. You can enter numbers by pressing 1 and then entering the desired numbers.

– The buttons on the left side of the keyboard allow you to enter three different brackets types: ( ), [ ] and { }.

– You can enter special characters by pressing @ then entering the desired characters.

– You can duplicate a complete text string using the copy and paste buttons.

Pressing next to a text box opens the 123 keyboard dialog, which allows you to enter only numbers. Any decimal number can be entered. Subscript and superscript numbers can however not be entered.

Note: If the entered text or number is too long, only the beginning of the item is displayed.

20

Design and Function

3.9.3 Shortcuts and direct shortcuts Shortcuts allow you to start methods and manual operations directly from the Home screen. You can place up to twelve different shortcuts on the Home screen. See the section "Creating shortcuts" (page 21) to learn how to define your shortcuts.

Shortcuts are managed in User Settings (Navigation: "Setup > User Settings"). You can delete or modify short­ cuts, or change the Homepage position (1-12).

Notes: ● Shortcuts are user-specific: each individual user can create a maximum of twelve shortcuts for the tasks he

personally conducts the most with the instrument. ● The instrument supports two types of shortcuts: Regular shortcuts and Direct shortcuts which, when

selected, start the task immediately.

1 2 3

4

Shortcuts for manual methods that take you to the corresponding start dialog, Manual method.

Shortcuts for stored methods that take you to the cor­ responding start dialog, Start analysis.

Shortcuts for manual methods with an integrated refer­ ence symbol (running person) in the icon take you to the corresponding dialog. You can start the analysis directly.

Shortcuts for stored methods with an integrated refer­ ence symbol (running person) in the icon take you to the corresponding dialog. You can start the analysis directly.

3.9.4 Creating shortcuts Shortcuts allow you to start Manual Methods (A) and Methods (B) directly from the Home screen. You can place up to twelve different shortcuts on the Home screen by pressing the AddToHome button. AddToHome is located in the start dialog of the methods and manual methods.

A) Creating shortcuts for Manual Methods Navigation: "Manual > Manual Method" In the Manual method dialog, the current manual method appears on the screen.

1 Unless you want to modify the method, press AddToHome.

The Shortcut parameters dialog appears. Type and Created by are purely informative and cannot be modified. See the Shortcut parameters table below for a description of the items.

2 Press

to type in a description for the manual method.

Design and Function

21

3 If you want to start the manual method immediately upon pressing the shortcut, select the Immediate start check box. Pressing the shortcut brings you then to the respective online dialog.

– or – If you do not want to start the manual method immediately upon pressing the shortcut, leave the Immediate start check box cleared.

4 Press

to select a Homepage position.

The Set location for shortcut dialog appears and displays all free spaces on the Home screen. Occu­ pied spaces already have shortcuts assigned to them.

5 Press a Free button for the position you want. The dialog Set location for shortcut closes and the number of the position chosen appears in the Homepage position box.

6 Press Save.

The Shortcut parameters dialog closes and the shortcut appears on the Home screen.

B) Creating shortcuts for Methods Navigation: "Methods > Methods" A method exists in the methods list.

1 Select a method from the methods list.

The method dialog appears for the method ID chosen.

2 Press Start.

The Start analysis dialog appears.

3 Unless you want to change the Method comment or Analysis comment, press AddToHome.

The Shortcut parameters dialog appears. Type, Method ID and Created by are purely informative and cannot be modified. See the "Shortcut parameters" table below for a description of the items.

4 Press

to type in a description for the method.

5 If you want to start the method immediately when pressing the shortcut, mark the Immediate start check box. Pressing the shortcut brings you then to the respective online screen.

– or – If you do not want to start the method immediately upon pressing the shortcut, leave the Immediate start check box cleared. Pressing the shortcut brings you then to the respective start screen.

6 Press

to select a Homepage position.

The Set location for shortcut dialog appears and displays all free spaces on the Home screen. Occu­ pied spaces already have shortcuts assigned to them.

7 Press a Free button for the position you want.

The Set location for shortcut dialog closes and the number of the position chosen appears in the Homepage position box.

8 Press Save.

The Shortcut parameters dialog closes and the shortcut appears on the Home screen.

Note: If all free spaces are occupied, no more shortcuts can be added.

22

Design and Function

Shortcut parameters Parameter Type Description Method ID Immediate start

Homepage position Created by

Explanation Mode of operation

Default Manual operation

Description for the short­ cut ID for the current method Determines if the shortcut No starts the task immediate­ ly Position of the shortcut on Position 1 the Home screen Method created by user User

Range of values Manual operation | Method Arbitrary, up to 6 charac­ ters Method list (read only) Yes | No

1 to 12 Logged in user

3.10 Methods Defining parameters for the temperature segment, evaluation type and end behavior A method contains the parameters and data required to run an analysis of a particular substance. An analysis of a substance can easily be repeated by using the same method. Among other things, the parameters in the method define the temperature segment, the type of evaluation can be specified and the behavior of the mea­ suring cell at the end of an analysis.

Administrative information Data of administrative nature such as an identification string, a title and a creation and modification date is also included in the method. A commenting text on the method itself and information on the standard operating procedure (SOP) in which the method is to be used can be entered.

Method protection and calibration It is possible to protect a method so that it can only be changed by the user that created it or by the administra­ tor. By including a reference to a standard calibration substance, a method can easily be used to calibrate the instrument.

Regular methods are stored on the instrument. They can be edited at any time to change the parameters, if required. An existing method can be used as a template to create a new method.

Apart from regular methods there are so-called manual methods that can be used to quickly run an analysis.

Only a restricted number of parameters can be defined which however can all be edited in a single dialog.

Regular methods can be created in three ways: ● You can convert any manual method into a regular method. ● You can use an existing method as a template, change it and save it under a new name. ● You can create a new method "from scratch."

3.11 Manual methods A manual method contains the parameters and data required to run an analysis of a particular substance. An analysis of a substance can easily be repeated by using the same manual method. Among other things, the parameters in the method define the temperature segment, the type of evaluation can be specified and the behavior of the measuring cell at the end of an analysis. Furthermore, a commenting text on the method itself can be entered.

Design and Function

23

24

Design and Function

4 Installation This chapter describes the installation of the DP70 and DP90 instruments.

Attention: Deviations from the installation guidelines could result in a system malfunction.

1 Prior to installation, remove the instrument (and accessories) from the protective packing material.

2 Verify the part numbers. You can compare the parts to the list in the sections "Deliverables" (page 25) or "Standard Deliverables and Options" (page 93).

3 Inspect the parts visually for flaws or damage. Report any damage immediately and file a freight claim if needed.

4.1 Deliverables Use the following list to control the contents of your delivery.

If parts are missing, contact METTLER TOLEDO or an authorized representative for assistance.

Description Order number Delivered?

For DP70 Dropping Point System 51143000 For DP90 Dropping Point System 51143002 Power supply unit, 120 W 51192015 Power cable X SD card, 1 GB 51192017 Ethernet cable Operating Instructions (only one language!)

51710945 (German) 51710946 (English) 51710947 (Japanese) DP accessories box (complete) Test substance "Grease"

51143740 30024217

X = country-specific

4.2 Work area A well-chosen location for the Dropping Point instrument is essential to ensure reliable and precise measure­ ment results. Make sure that the following conditions are met: Work area for DP70 ● The instrument should stand on a level and sturdy bench. ● Operate the instrument only indoors and at an altitude of less than 2000 m above sea level. ● It should not be exposed to large temperature fluctuations and direct sunlight must be avoided. ● There should be at least 15 cm clearance above and behind the instrument. ● The instrument operates at room temperature (Full range: 10 °C to 35 °C) up to a relative humidity of 80% (non-condensing).

Work area for DP90 The DP90 consists of 2 units: one is the control unit and the other contains the measuring cell and furnace. The measuring cell is placed in the refrigerator or freezer, depending on the temperature required.

Note: If you should use a freezer, we recommend a conventional top loading model for better temperature sta­ bility and easier sample preparation. We do not recommend a front loading freezer since the temperature can­ not be stabilized quickly when opening the door and the collector glasses could fog up and freeze.

To eliminate any condensation, heat the furnace to 200 ºC until all of the moisture has evaporated (approxi­ mately 1 hour). ● The instrument should stand on a level and sturdy bench. ● Operate the instrument only indoors and at an altitude of less than 2000 m above sea level.

Installation

25

● It should not be exposed to large temperature fluctuations and direct sunlight must be avoided. ● The control unit operates at room temperature (Full range: 10 °C to 35 °C) up to a relative humidity of 80%

(non-condensing). ● CAUTION! For the measuring cell, the temperature of the surrounding environment must not drop below

-20 °C. For further technical information, please refer to the instrument's "Technical Specifications" (page 91).

Power supply and line voltage The instrument operates with alternating voltage (50-60 Hz) in the range of 100-240 V. 1 Connect the power supply cable into the instrument.

2 Insert the line cord into a power outlet with a grounding conductor. The plug should be easily reachable.

3 When removing the instrument from the power source, perform the task in reverse order by first removing the line cord from the power outlet and then removing the power supply cable from the instrument.

4.3 Starting up and shutting down the instrument Starting up and shutting down the instrument takes a few short moments. Several events can be observed dur­ ing these procedures.

Starting up the instrument (with only one user and no password administration) The instrument is connected to the proper electrical outlet.

No sample carrier is inserted.

– Press

to switch on the instrument.

METTLER TOLEDO logo appears and the ventilator starts.

The screen darkens and the ventilator stops.

The screen Starting up the system appears; the white light flashes.

Finally, the Home screen appears and you are logged in.

Shutting down the system is also a two-step procedure.

How to start up instrument (with more than one user) The instrument is connected to the proper electrical outlet.

No sample carrier is inserted.

1 Press

to switch on the instrument.

METTLER TOLEDO logo appears and the ventilator starts.

The screen darkens and the ventilator stops.

The screen Starting up the system appears; the white light flashes.

The Login screen appears.

2 Press

.

The User dialog appears.

3 Select your name from the list.

4 Press Login.

The Home screen appears.

Starting up the instrument (with user password) The instrument is connected to the proper electrical outlet.

No sample carrier is inserted.

1 Press

26

Installation

to switch on the instrument.

METTLER TOLEDO logo appears and the ventilator starts.

The screen darkens and the ventilator stops.

The screen Starting up the system appears; the white light flashes.

The Login screen appears.

2 Press

.

The User dialog appears.

3 Select your name from the list.

4 Press

and enter your password.

5 Press OK. 6 Press Login.

The Home screen appears.

Shutting down the system is also a two-step procedure.

Shutting down the instrument CAUTION Pressing

longer than 4 seconds

Risk of data loss.

You are on the Home screen.

There is no analysis running.

1 Press Log out.

The Login dialog appears.

2 Press Shut down.

– or – When on the Home screen, press for more than 1 second, but less than 4 seconds. Do not press longer than 4 seconds otherwise the instrument will not shut down properly.

The screen Shutting down the system appears and darkens.

An acoustical signal informs you that you are logged out and the instrument has shut down.

Pressing for more than 4 seconds will turn off the power supply. If there is an analysis running, it will be ter­ minated prematurely and any data produced during this time will be lost. The instrument should only be shut down in this way if absolutely necessary.

Note: When shutting down the instrument, please make sure that you remove all cups. If cups are still in the instrument when started up, the light transmission readings will be false.

Installation

27

4.4 Transporting the instrument Please adhere to the safety measures as described in the section"General care for your instrument" (page 66) when transporting the instrument to a new location.

Note: When sending or transporting the instrument over long distances, please use all of the original packing material and shipping carton.

If you have questions about transporting your instrument, contact METTLER TOLEDO or an authorized represen­ tative.

28

Installation

5 Setting up an Experiment This chapter describes how to perform and evaluate dropping point (DP) and softening point (SP) experiments.

5.1 Creating a method You can create a new method by opening a method template and changing the method parameters. When you save the method a new unique method ID is automatically generated.

Creating a method consists of 3 basic parts.

1. Create a title 2. Define the temperature program, evaluation parameters and end behavior 3. Set up the report template For each step, the starting point is the Methods dialog.

Navigation: "Home > Methods" 1. Create a title 1 To create a new method: Press New to open the method template. Continue with step 2.

– or – To modify an existing method: Choose a method from the list.

You can now modify the method template or the existing method by editing the method functions in the Method dialog.

2 Press Title.

3 Enter administrative information.

4 Press OK to return to the Method dialog.

2. Define the temperature program, evaluation parameters and end behavior 1 Press Temperature program.

2 Press Temperature segments.

3 Define the temperature program.

4 Press Back to return to the Temperature program dialog.

5 Press Evaluation.

6 Define the evaluation parameters.

7 Press OK to return to the Temperature program dialog.

8 Press OK to return to the Method dialog.

9 Press Termination and end behavior.

The Termination and end behavior dialog appears.

10 Define the behavior of the measuring cell at the end of the analysis.

11 Press OK to return to the Temperature program dialog.

Press OK to return to the Method dialog.

3. Set up the report template 1 Press Report.

The Report dialog appears.

2 Define the items that will appear on the analysis report.

3 Press Back to return to the Method dialog.

4 Press Save to save the new method.

The new method is saved under a new ID beginning with the letter "U" which is followed by a four-digit number. The Start button now appears instead of the Save button.

Setting up an Experiment

29

To start the analysis using the new method, see the section "Running an analysis" (page 40).

For a full description of the function within the menus, refer to the following sections. ● Title dialog (page 30) ● Temperature program dialog (page 30) ● Report dialog (page 32)

Note:To learn how to enter text using the ABC keyboard or 123 keyboard when filling out the text fields, see the section "Entering text and numbers" (page 20).

5.1.1 Title dialog Parameter Method ID

Explanation Enter a method ID; you can enter up to 20 alphanumeric characters Default value: U0001 if the method ID is not overwritten. It continues in increments of 1 (e. g. U0002, U0003).

Title Method comment Author Created on Modified on Modified by Protect

Enter a title; you can enter up to 30 alphanumeric characters Enter a text; you can enter up to 180 alphanumeric characters Information only; displays the name of the person who created the method Information only; displays the date when the method was created Information only; displays the date when the method was modified Information only; displays the name of the person who modified the method If a user other than the author tries to edit a method, the items will be displayed as read-only. Please note that this setting does not afford protection against changes by the instrument system administrator.

Default value: Cleared

SOP

If you want to include a text describing the standard operating procedure in which the method is used.

Default value: Cleared

SOP text

Appears when the SOP check box is selected. Enter a text; you can enter up to 256 alphanumeric characters

5.1.2 Temperature program dialog The Temperature program dialog consists of three submenus. They are described in the following sections. ● Temperature segments (page 30) ● Evaluation (page 31) ● Termination and end behavior (page 32)

5.1.2.1 Temperature segments dialog Parameter Start temperature

Explanation Temperature at which the temperature program starts. For DP 70, the start temperature should be above the ambient room temperature.

Default value: 118 °C Range / min. increment: 10 to 400 °C / 1 °C

Waiting time

Idle period before the temperature ramp starts. This time is used to allow all parts of the measuring cell to heat up. No measurement or video data is recorded during this peri­ od.

Default value: 10 s Range / min. increment: 10 to 1000 s / 1 s

30

Setting up an Experiment

Parameter Heating rate

Explanation Rate at which the measuring cell is heated up during the temperature ramp.

Default value: 1 °C / min Range / min. increment: 0.1 to 20 °C / 0.1 °C

End temperature

Final temperature at the end of the temperature ramp.

Default value:128 °C Range / min. increment: 10 to 400 °C / 1 °C

t (iso)

Duration of the isothermal segment after the temperature ramp.

Default value: 0 s Range / min. increment: 0 to 1000 s / 1 s

Note: Temperature values in °C indicated above can be converted to °F or K if required.

5.1.2.2 Evaluation dialog Parameter Operation mode

Explanation You can select the operation mode: Dropping point or Softening point Default value: Dropping point

Set manually

If you want to determine the results manually, select the Set manually check box. If you want the results to be evaluated automatically, clear the Set manually check box.

Default value: Cleared

Temperature cor­ rection Correction value

Default value: Cleared Appears when the Temperature correction check box is selected.

Default value: 1.1 °C

Brightness

The contrast for the image brightness can be regulated. 50% is good for most sub­ stances: for brighter substances, you can adjust the brightness to < 50% and for dark­ er substances > 50%.

Default value: 50%

Detection length

Appears when the operation mode Softening point is selected. The softening length to be detected is set.

Default value: 19 mm

Show detection line Appears when the operation mode Softening point is selected. The length can be dis­ played in the video and diagram during the analysis.

Calibration sub­ If the check box is selected, a list of calibration substances defined on the instrument stance can be selected to be included as a reference substance in the method. The reference substance is included in all the results of analyses using the method. This is useful if the results are used for an adjustment later on.

Default value: Cleared Substance

Appears when the Calibration substance check box is selected. A calibration sub­ stance that has been defined on the instrument can be chosen from the list when you press .

Default value: Cleared

Check adjustment

If the check box is selected, an evaluation is carried out to check if the results of an analysis all lie within the relevant tolerance limits for a particular calibration substance.

This is to check the current adjustment of the instrument.

Default value: Cleared

Setting up an Experiment

31

Parameter Result round-off

Explanation Different standards in the dropping point / melting point determination demand different rounding the results. You can define how the mean value will be rounded off.

Default value: 0.1

Note: Temperature values in °C indicated above can be converted to °F or K if required.

5.1.2.3 Termination and end behavior dialog Parameter Stop at event

Explanation If the check box is selected, the analysis ends as soon as the dropping point or soften­ ing point has been detected in all of the cups. The measuring cell then behaves as defined in the End behavior box (see below).

Default value: Cleared

Stop condition

You can specify if the analysis should stop when the event is specifically detected in one (left / right) or both cups.

Default value: Left & right sample Range: Left & right sample | right sample | left sample

End behavior

Defines the behavior of the measuring cell at the end of an analysis. The measuring cell can either maintain the end temperature of the analysis or go to start temperature or the furnace power can be switched off.

In addition, the sample removal temperature can be set in the Remove temperature box that appears after Remove temperature has been selected in the End behavior list.

Default value: Start temperature Range: End temperature, Start temperature, Remove temperature or Furnace power off

Remove tempera­ ture

Appears when Remove temperature is selected as the end behavior. You can enter a temperature.

Default value: 60 °C

5.1.3 Report dialog The text items listed below are included in the report if the relevant check boxes are selected.

Parameter Explanation Print report Specifies whether a report containing the details of the analysis should be printed auto­ matically at the end of the analysis. The report is printed automatically if the check box is selected.

Default value: Selected Method comment

Comments entered in the Title dialog when the method was created.

The text is stored with the method.

Default value: Cleared

Cup comments

Details on each sample entered during an analysis in the Cup comments dialog.

Default value: Selected

Adjustment values

Parameters of the current adjustment of the instrument including values of offset A and slope B and indication of adjustment type.

Default value: Cleared

Temperature pro­ gram

Details of the temperature program including the parameters defining the temperature segments, the evaluation and the termination and end behavior.

Default value: Selected

32

Setting up an Experiment

Parameter Analysis comment

Explanation Comment entered in the Edit analysis comment dialog during an analysis.

Default value: Selected

Numerical results

Evaluation results of the analysis including the dropping point for each cup.

Default value: Selected

Statistics

Result statistics of the individual cups including mean value and standard deviation.

Default value: Selected

Images

You can choose to display video snapshots of the event in the report.

Default value: Cleared

Length diagram

You can choose to display the length diagram in the report.

Default value: Cleared

Length curves

Any one or all of the length curves can be displayed in a diagram, depending on the item selected in the list. ● Both: All of the curves are included in the report but each curve is displayed in a

separate diagram. ● Both in one diagram: All of the curves are displayed in the same diagram. ● 1, 2: The curve of the selected sample is displayed in a separate diagram.

Default value: Both Range: Both in one diagram | Both | 1 | 2

5.2 Deleting a method You can delete methods you no longer need. To do this your user account must be assigned to the Expert or Administrator user group.

Navigation: "Home > Methods" Your user account is assigned to the Expert or Administrator user group.

1 Select the method you want to delete from the list.

2 Press Delete method.

The message "Do you want the resources to be deleted?" appears.

3 Press Delete to delete the method.

The selected method is now deleted.

5.3 Creating a manual method A manual method is used to quickly run an analysis. The parameters of the method can easily be changed in the same dialog.

Notes ● The parameter settings are retained the next time you open the Manual method dialog so that you can easi­

ly repeat an analysis. ● You can create a shortcut for a manual method as explained in the section "Creating shortcuts" (page 21).

Navigation: "Home > Manual > Manual method" 1 In the Operation mode box, select Dropping point or Softening point.

2 Enter the Start temperature, Waiting time, Heating rate and End temperature.

Setting up an Experiment

33

3 If you want the analysis to stop when the dropping point or softening point has been reached, select the Stop at event check box. As soon as the event has been detected in all of the cups, the measuring cell is held at the temperature that corresponds to this point.

4 In the t (iso) box, enter the duration of the isothermal segment after the temperature ramp.

5 In the End behavior box, define the behavior of the measuring cell at the end of the analysis.

6 To enter a comment on the method: Enter a comment in the Method Comment box.

7 If you want to print out a report at the end of the analysis, select Print report.

The manual method is now completed.

8 If you want to proceed with the analysis, press Start.

The analysis dialog appears. See the section "Running an analysis" (page 40) to continue.

Note: To learn how to enter text using the ABC keyboard or 123 keyboard when filling out the text fields, see the section "Entering text and numbers" (page 20).

The following items can be defined in the Manual method dialog: Parameter Explanation Operation mode You can select the operation mode Default value: Dropping point Range: Dropping point or Softening point Start temperature

Temperature at which the temperature program starts. For DP70, the start temperature should be above room temperature.

Default value: 118 °C Range / min. increment: 10 to 400 °C / 1 °C

Waiting time

Idle period before the temperature ramp starts. This time is used to allow all parts of the measuring cell to heat up. No measurement or video data is recorded during this peri­ od.

Default value: 10 s Range / min. increment: 10 to 1000 s / 1 s

Heating rate

Rate at which the measuring cell is heated up during the temperature ramp.

Default value: 1 °C / min Range / min. increment: 0.1 to 20 °C / 0.1 °C

End temperature

Final temperature at the end of the temperature ramp.

Default value: 128 °C Range / min. increment: 10 to 400 °C / 1 °C

Stop at event

If the check box is selected, the analysis ends as soon as the dropping point or melting point has been detected in all of the cups. The measuring cell then behaves as defined in the End behavior box (see below).

Default value: Cleared

End behavior

Defines the behavior of the measuring cell at the end of an analysis. The measuring cell can either maintain the end temperature of the analysis or go to start temperature or the furnace power can be switched off.

Default value: Start temperature Range: End temperature, Start temperature or Furnace power off

Method comment

34

Setting up an Experiment

A text containing further details, for example on how to prepare the sample and on the method itself can be entered here. The text is stored with the method. Up to 180 charac­ ters can be entered.

Parameter Print report

Explanation Specifies whether a report containing the details of the analysis should be printed auto­ matically at the end of the analysis.

Default value: Selected

Note: Temperature values in °C indicated above can be converted to °F or K if required.

5.4 Converting a manual method to a regular method You can convert any manual method into a regular method. The parameters of the temperature program are adopted but all other method parameters are set to their default values. You can change these values afterward in the method editor.

Manual method is defined in Manual method dialog.

1 Press Convert.

2 In the Method ID box, enter a new method ID. The new method will be stored under this method ID. 3 Press OK to save the method.

The manual method has now been converted to a regular method which has the method ID entered. You can change the parameters of the method in the method editor. See the section "Creating a method" (page 29) for more information.

5.5 Preparing the samples The DP70 and DP90 can be used to determine the dropping point or softening point of various "fatty", "pasty", "liquid" or "powdery" substances.

The following sections describe the sample preparation for the two analytical techniques, dropping and soften­ ing point.

The key to good results is careful, exact and consistent sample preparation. Establishing a consistent sample preparation routine is especially important for fats and oils, but is also valid for other substances. Changing the method parameters (cooling, heating and waiting time) can affect the behavior of the substance, and the results could vary for the same substance tested under different conditions.

Safety first!

Before you begin with your analysis, please make sure that the following safety measures are met.

CAUTION Molten samples Molten samples could become very hot and you could burn yourself.

– Wear gloves when handling the sample carrier and cups.

CAUTION Extremely cold surfaces inside the freezer and measuring cell Touching the measuring cell could cause frostbite.

– Wear gloves when handling the sample carrier and cups.

5.5.1 Assembling the sample carrier Assembling the sample carrier is quick and easy. All parts click together to build a unit.

Setting up an Experiment

35

The parts marked are: ● B:closed cup lid with vent hole prevents spilling

and furnace contamination in case of expanding sample ● C: Standard compliant cup for dropping or soften­ ing point determinations ● D: disposable glass collector The sample carrier keeps all parts together and can be placed into the stand F which is delivered with the instrument.

1 Assemble the cup lid (B) , the cup (C) and the glass collector (D) as shown in the picture.

2 Place the assemble unit into the sample carrier making sure the glass collector (D) rests in the base (E) and each cup lid (B) sits the hole (A).

5.5.2 Preparing samples for the dropping point method This section describes the sample preparation for the following types of substances: ● Original sample of a pasty consistency ● Pre-melted samples ● Dropping points below room temperature (DP90, cooled)

Edible fats, for instance, can occur in various crystal modifications with different dropping points. To obtain reproducible and comparable measured values with pre-melted samples, it is absolutely essential to ensure that the same conditions are maintained during heating and cooling. This is of particular importance when sev­ eral labs compare measured values.

Original sample of a fatty consistency (e.g. lubricating grease) 1 Place some sample on a smooth, clean surface (e.g. glass plate).

2 Press the cup into the sample until some sample flows out of the opening. Make sure no air bubbles are enclosed.

3 Smooth off surface and drop opening with a spatula.

4 Assemble the sample carrier (with cup, cup lid and collector glass).

Pre-melted samples (e.g. paraffin) 1 Place the sample cup on a smooth surface (glass, ceramic or plastic plate) and pour in the melted sample.

2 Place the plate, the sample carrier (disassembled), cup with sample, cup lid and collector glass into the cooling chamber. Leave all parts in long enough for the sample to solidify in the cup at a defined tempera­ ture and time period. The temperature depends on the sample (e.g. at 25 °C, at 5 °C in a refrigerator or at –18 °C in a deep freezer).

3 After a specified time, assemble the cold parts.

For dropping points below room temperature (DP90, cooled, e.g. liquids) Note: Do not hold the sample cup in your bare hands, use tweezers or hold the collector glass.

1 Place the sample cup on a smooth surface (glass, ceramic or plastic plate).

2 Place the plate, the sample carrier (disassembled), cup with sample, cup lid and collector glass into the cooling chamber. Leave all parts in long enough for the sample to solidify in the cup at a defined tempera­ ture and time period. The temperature depends on the sample (e.g. at 25 °C, at 5 °C in a refrigerator or at –18 °C in a deep freezer).

3 Pour in the melted sample.

36

Setting up an Experiment

4 After a specified time, assemble the cold parts.

5.5.2.1 Rules for the most important measurement parameters (DP) Please consider the rules below before starting an analysis.

1. Heating rate Following for example, AOCS Cc 18-80, DIN 51801 as well as ASTM D 566-76) usually 1 °C/min. For exploratory measurements 10 °C/min, for the temperature check 0.2 °C/min.

Note: Dropping points measured with 1 °C/min are 1…2 °C higher than those measured at 0.2 °C/min. With 10 °C/min, they are 4…7 °C higher.

2. Start temperature 5 min below the expected dropping point temperature using a heating of 1 K/min (5 times the heating rate).

3. End temperature The end temperature usually corresponds to that of the measuring cell as the temperature program automatical­ ly stops as soon as the expected effect has appeared (stop at event; see "Termination and end behavior dialog" (page 32)).

With decomposing substances: expected dropping point plus 20 °C so that they are never overheated.

4. Sample cups If at all possible, we recommend using sample cups from METTLER TOLEDO to guarantee perfect correction according to the selected heating rate. See the section "Standard Deliverables and Options" (page 93) for order numbers.

5.5.3 Preparing samples for the softening point method This section describes the sample preparation for the following substance: pitch.

1 Following for example, ASTM D 3104, cut up pitch into 6–12 mm pieces and melt about 25 ml of these in a 50 ml beaker. Note: The temperature must never rise more than 50 °C above the expected softening point.

2 Place the necessary number of sample cups (usually two) on a brass plate (purchased locally) at room temperature.

3 Slightly overfill several 6.35 mm sample cups on the brass plate with the liquid pitch.

4 After cooling, level the surface with a hot knife.

5.5.3.1 Rules for the most important measurement parameters (SP) Please consider the rules below before starting an analysis.

1. Heating rate Usually 2 °C/min, for exploratory measurements 10 °C/min.

2. Start temperature ● For exploratory measurements, 5 min before the expected softening point using a heating of 1 K/min (5 times the heating rate) ● For known substances, 20 to 25 °C below the expected softening point.

3. End temperature The end temperature usually corresponds to that of the measuring cell as the temperature program automatical­ ly stops as soon as the expected effect has appeared (stop at event; see "Termination and end behavior dialog" (page 32)). With decomposing substances: expected softening point plus 20 °C so that they are never over­ heated.

Setting up an Experiment

37

4. Sample cups If at all possible, we recommend using sample cups from METTLER TOLEDO to guarantee perfect correction according to the selected heating rate. See the section "Standard deliverables and options" (page 93) for order numbers.

38

Setting up an Experiment

5.5.4Â Preparing powders and liquids with the sample preparation tool 1.

2.

3.

4.

5.

6.

7.

Base Positioning disc Funnel Spring Screw Handle Tamping rod

Preparing powders 1 Put four metal cups into the base (1) and place the positioning disc (2) on top, followed by the funnel (3).

2 Fill the sample into the funnel (3) and slide a bit of the sample with the spatula into the opening above the cup.

3 Fill the cup with enough sample until the fill height is even with the upper edge.

4 Press in the sample firmly using the round end of the tamping rod (7).

5 Turn the positioning disc and repeat steps 1-4 for the other cups.

All cups are partially filled 6 Position the funnel over the first cup again and press in the sample firmly with the flat end of the tamping rod. An excess of about 1 mm should remain above the upper edge.

7 Turn the positioning disc to the next cup and repeat step 6 for the other cups. While turning the positioning disc, the excess sample is removed.

8 To access the cups, turn the funnel to a position between cups and press the spring.

9 Lift off the positioning disc and the funnel.

The cups are filled with the sample and ready for analysis.

Preparing liquids Use the sample preparation tool without the funnel to prepare liquid samples.

1 Put four metal cups into the base and place the positioning disc on top.

2 Pour the molten substance directly into the cups. The fill height should be slightly above the edge of the positioning disc.

A convex meniscus should be visible.

3 When the sample has reached a suitable consistency (after some cooling), remove the excess with the spatula. The sample should be even with the positioning disc.

4 Lift off the positioning disc.

The cups are filled with the sample and ready for analysis.

Setting up an Experiment

39

5.6 Running an analysis CAUTION Hot surface You can burn yourself. a) Make sure the instrument has cooled off to room temperature. b) Never touch the furnace, furnace lid or a sample you have just removed from the furnace (capillary tubes, glass tubes, slides, sample cups or crucibles)! The temperature of the furnace can reach up to 400 °C. The following procedure shows you how to run an analysis using an existing method.

Navigation: "Home > Methods" 1

2

3

4

Existing methods are available.

1 If you have not already chosen a method, choose the desired method on the list in the Methods dialog.

You can now modify the method as explained in the section "Creating a method" (page 29). After modi­ fying the method, you must save it before you can start the analysis.

The Start button now appears.

2 Press Start. If you have selected the SOP text box in the method, the entered SOP text appears. If the SOP text appears, confirm it with OK.

40

Setting up an Experiment

The Start analysis dialog appears (1).

3 To enter a comment on the analysis: Press next to the Analysis comment box and enter the desired text.

See also "Entering text and numbers" (page 20). To view any comment on the method that has been entered, press next to the Method comment box.

4 If you want to enter or edit comments on any of the samples, press Cup comment, then press the boxes corresponding to the relevant samples and enter the desired text.

next to

5 Press Start to start the analysis.

The analysis dialog appears (2).

The measuring cell approaches the start temperature. This is indicated by the text Go to T(start) which is displayed in the status indication box in the text area on the right side of the dialog. We recommend that you wait until the text T(start) reached appears in the status indication box before proceeding with the next step to insert the cups.

6 Insert the sample carrier with the cups you have filled with the samples (3).

7 Press Start.

The analysis has started (4).

The Start button toggles to the Stop button.

8 To display the online video or the intensity diagram: Press Video or Diagram.

9 If you want to enter or edit a comment on the analysis, press Analysis comment, press desired text.

10 If you want to enter or edit comments on any of the samples, press Cup comment, press boxes corresponding to the relevant samples and enter the desired text.

and enter the next to the

The analysis is carried out. The Results dialog automatically appears at the end of the analysis (if set in Analysis sequence settings dialog) displaying the newest results.

– A report of the analysis is printed if Print report is selected in the methods Report function.

Navigation: "Methods > New button > Report" – If the check box Stop at event was selected in the method, the analysis is stopped as soon as the drop­ ping or softening point is detected in all of the cups.

See also the sections "Creating a method" and "Termination and end behavior dialog".

If you stop a running analysis, you still have the opportunity to save the results up to the point of interruption.

Notes ● The simplest way of starting an analysis is with the help of a shortcut. See also the section "Creating short­

cuts" (page 21). ● The information displayed at the beginning and end of an analysis can be defined in the Analysis sequence

settings dialog. See the section "Analysis sequence settings" (page 57). ● You can return to the home screen any time during the analysis by pressing the Home key. Pressing the

yellow Task button in the top right corner of the touch screen returns you to the analysis dialog.

Interrupting an analysis An analysis is running in the analysis dialog.

– Press Stop.

The analysis is interrupted.

You receive the warning: "Do you want to stop the analysis?"

If you press No, your analysis continues.

If you press Yes, you receive another warning: "Do you want to save the results?"

If you press No, the analysis is interrupted, no data is saved and the Home screen appears.

If you press Yes, the results are saved and printed according to your settings.

Setting up an Experiment

41

5.6.1Â Determining the dropping point or softening point manually You can determine the dropping point or softening point manually during an analysis. If you have selected the Set manually check box in the method, a button labeled Set appears above each cup video.

Note: The manual determination of dropping point or softening point is not possible with Manual methods.

Set manually check box selected in the method Analysis is started Cups are displayed with a Set button in the upper right and left corners 1 As soon as you observe the dropping point or softening point in any of the cups, press Set above it.

The temperature at the start of the dropping point or softening point is now recorded.

2 To determine the end of the dropping point or softening point, press Set above the relevant cup, as soon as you observe the end of the process in any of the cups.

The temperature of the dropping point or softening point is now recorded. You can press Set again to change the dropping point. The current temperature reading will then replace the recorded reading each time you press Set.

42

Setting up an Experiment

5.6.2 Information displayed during an analysis Information on the current analysis is displayed while it is running. The information is constantly updated and includes the following data: Dropping point or The current dropping or softening point temperature values are displayed below each softening point tem­ cup video. During a dropping or softening point analysis there is one row of values for perature values the different dropping or softening points.

Remaining time Remaining time until the end of the analysis. The time indicated includes the waiting time, the duration of temperature ramp and that of the isothermal segment.

Temperature Current temperature reading inside the measuring cell. The temperature value displayed here is not corrected by the thermal lag, regardless of the setting in the Temperature values box (see above).

Mean value Current mean value of all the temperature readings of the individual cups. The standard Difference difference is also displayed.

Code Type of analysis DP

Dropping point

SP

Softening point

Auxiliary lines For softening point measurements the following auxil­ iary lines are shown: 1. Ruler (indicates distance to cup outlet in mm) 2. Evaluation window (displays the region where the softening point is detected) 3. Detection line (optional, configured in method)

Note The information displayed at the beginning and end of an analysis can be defined in the Analysis sequence settings dialog. See the section "Analysis sequence settings" (page 57) for more information.

Setting up an Experiment

43

5.7 Viewing the analysis results The results of the last analysis are displayed initially when you enter the Results dialog. The values of the drop­ ping point or softening point are displayed for each cup position. The values corresponding to the individual cups are displayed in separate rows. The Status column indicates whether a cup position is excluded from the statistics. A cup can be excluded, for example, if the measurement result is questionable.

Navigation: "Home > Results"

Notes ● The result of an analysis is available as soon as the analysis is completed. ● It is not possible to evaluate the analysis data again or to change comments after completion of an analy­

sis. It is however possible to modify the statistics by excluding cups. ● A user can only exclude a cup from an analysis if the analysis was performed by him. ● When the limit of the storage space is reached, the oldest result is overwritten by the most recent result.

After the results are available, you can perform additional tasks in the Results dialog.

Task Description View statistics Navigation: "Home > Results" You can view the statistics of an analysis in the Results screen. See the sec­ tion "Statistics" (page 46) for an explanation of the items.

Print results of an analysis

Navigation: "Home > Results > Print button" You can print a report of the results of an analysis. By default, the report contains the same items as specified in the method under Report.

Notes ● If you have selected Network Printer or PDF Writer in the printer settings

dialog, you can select the items you want to include in the report under New report dialog before printing it. ● If you have selected USB Compact Printer in the printer settings dialog the New report button is not available so that you cannot change the contents of the report in this case.

See also the sections "Installing the printers" (page 75) and "Report dialog" (page 32) for more information.

44

Setting up an Experiment

Task Display results of a previous analysis

Description Navigation: "Home > Results > Select analysis button" ● You can select any previous analysis, display the results and perform the

same tasks as with the current analysis. ● You can display either the method ID or the analysis comment of the

analysis in the middle column of the Select analysis dialog by toggling between the Comment and ID button.

Display parameters and data of Navigation:"Home > Results > Data button" an analysis The Data dialog includes the following buttons. You can display different types of parameters and data connected to the analysis results you have selected. ● Method data: Parameters of the method used in the analysis ● Analysis data: Comments on the analysis and samples entered during

the analysis ● Resource data: Parameters of the current adjustment ● Video: Video of the analysis. Note: The button is not available until the results are available. ● New report: Settings that define the contents of the report. You can change the settings here to customize the report.

Note: The New report button is not available if you have selected USB Compact Printer in the printer settings dialog.

Exclude cups from the statistics Navigation: "Home > Results > Statistics > Define outliers button" All the cups used in the analysis are included in the statistics by default. You can however exclude individual cups from the statistics if necessary. You can do this in the Include / exclude outliers dialog by selecting the cups you want to exclude in the Status column.

Setting up an Experiment

45

5.7.1 Statistics A statistical analysis of the results is performed automatically after every analysis, provided more than one cup is used. The following statistical properties are determined: Parameter Explanation Mean value Mean value of temperature Note: This value could be rounded off according to the settings made for the para­ meter "Result round-off" in the "Evaluation dialog" (page 31).

Difference

Difference between the individual results

5.7.2 Length curve and video To view the length curve and the video of an analysis, you have the following possibilities: ● View a diagram of the length curve for each cup ● Scan the curve in the diagram with the help of control buttons and display each curve value separately ● Display the video frame corresponding to each curve point and switch between the length and the video at

each curve point.

While investigating an interesting detail on a curve, you can easily display the video section of it. The video dialog and the video file contain the uncorrected temperature information as recorded during the analysis.

Displaying the intensity curve Navigation: "Home > Results" Analysis results are displayed in Results dialog.

1 Select a sample by pressing one of the rows in the table.

The length curve of the selected cup is displayed. Only the curve during the temperature ramp is shown.

2 To scan the length curve forward or backward, press

or

.

3 To display the length curve of the next cup, press Next cup.

4 To change the interval step size of the scan, press Change step interval. You can choose between 1%, 5% and 10% step size. The percentage refers to the total number of curve points.

5 To switch to the position in the video corresponding to the current curve point, press Video.

To scan the video frames forward or backward: Press or .

To play the video starting from the current curve point: Press .

Displaying the video Navigation: "Home > Results" Analysis results are selected and displayed in Results dialog.

1 Select a cup by pressing one of the rows in the table.

46

Setting up an Experiment

The length curve of the selected cup is displayed. Only the curve during the temperature ramp is shown.

2 To switch to the position in the video corresponding to the current curve point, press Video.

To scan the video frames forward or backward: Press or .

To play the video starting from the current curve point: Press .

5.8 Deleting an analysis You can delete analysis results you no longer need. However, only those users who are assigned to the Admin­ istrator user group can perform this task.

Navigation: "Home > Results" Your user account is assigned to the Administrator user group.

1 Select the analysis you want to delete by pressing Select analysis and then selecting the analysis from the list.

2 Press Data.

The Data dialog appears.

3 Press Delete to delete the analysis.

Setting up an Experiment

47

48

Setting up an Experiment

6 General Tasks and Settings This chapter describes the general tasks that can be carried out on the DP70 and DP90 instruments as well as the user-specific settings that are possible.

6.1 Setup dialog This section lists the options for setting up the instrument according to your requirements so that you can carry out dropping point and softening point analyses. Use the Setup button to navigate to the following items.

Navigation: "Home > Setup" Calibration substances User settings

Adjustment Hardware

See the section "Administrating calibration sub­ stances" (page 61) "Language" (page 51) "Screen" (page 51) "Beep" (page 51) "Shortcuts" (page 51) "Keyboards" (page 52) See the section "Calibration and adjustment" (page 61) Peripherals See the section "Supported devices and options" (page 73) Temperature sensor See the section "Viewing the adjustment parameters" (page 65)

Global settings

Mainten. & Service

"System" (page 52) "User management" (page 53) "Behavior of analyses and resources" (page 57) "Import / Export" (page 71) "Reset to factory settings" (page 72) "Update" (page 73) "Delete data on SD card" (page 80)

6.2 Displaying information on your instrument General information about your instrument is displayed in the Information dialog. This dialog is divided into two parts. One part contains general system information. The other part contains general information about the resources, such as the data and storage space on your system.

1 To display general information, press the Info key.

2 To display information on system resources, press Resource information. To return the previous screen, press System information System information Model Firmware Serial number IP address MAC address Adjustment

Type of instrument Version of the firmware Serial number of instrument IP address currently configured in the instrument Media Access Control address currently configured in the instrument.

Time stamp of last adjustment

General Tasks and Settings

49

Resource information Methods Results Video space available [MB] Calibration substances User

Number of methods stored Number of results stored Video storage space currently occupied Number of calibration substances stored Number of user accounts stored

6.3 Manual tasks menu When your instrument is switched on and there is no analysis running, you can perform the following manual tasks: ● Create a manual method ● Set the furnace temperature ● Switch the furnace power off ● Show a live video of the inside of the furnace

To learn how to create a manual method, see the section "Creating a manual method" (page 33).

The other tasks listed above are explained in the following sections.

Setting the furnace temperature Navigation: "Home > Manual > Set furnace temperature" No analysis is running.

Switch on button in bottom right corner indicates that the furnace temperature control is switched on.

1 Enter the desired furnace temperature in the Set temperature box with the help of the 123 keyboard. A val­ ue between 10 and 400 °C can be entered. The default value is 60 °C. The temperature values can be con­ verted to °F or K if required. The current furnace temperature is displayed under Actual temperature.

2 Press Switch on to start the temperature approach.

The furnace temperature now approaches the entered value. This is indicated by the changing value of the current furnace temperature displayed under Actual temperature and can be observed in the dia­ gram on the left which displays furnace temperature versus time.

The button in bottom right corner toggles to Switch off indicating that the furnace temperature control is switched on.

Switching off the furnace power Navigation: "Home > Manual > Furnace power off" You can switch off the furnace at the end of your analysis by pressing the Furnace power off button. The button is only available if the furnace temperature control is switched on (see procedure above) or if Furnace power off was not specified as the end behavior in the last analysis that was run.

After Pressing furnace power off, the measuring cell is left to itself to cool down to room temperature.

Viewing the inside of the furnace Navigation: "Home > Manual > Furnace inside view" You can view a live video of the inside of the furnace by pressing the Furnace inside view button. The current furnace temperature is displayed on the right under Actual temperature.

50

General Tasks and Settings

6.4 User settings 6.4.1 Language Navigation: "Setup > User settings > Language" In the Language settings dialog, you can define the language for the touch screen and for the printed reports.

The following languages are available for each of the actions: Parameters Explanation Range of options Touch screen Defines the language for operating the touch screen.

Deutsch | English | Chi­ nese | Japanese | Español | Français | Português | Report Defines the language in which the reports are printed out.

Deutsch | English

6.4.2 Screen Navigation: "Setup > User settings > Screen" In the Screen settings dialog, you can define the appearance of the touch screen. The following options are available: Parameters Explanation Range of options Primary color The color scheme for the graphical user interface can be selected. Gray | Blue | Green | Red Brightness Specifies the display brightness in percent [%].

50 | 60 | 70 | 80 | 90 | 100 [%] Button shape Defines the shape of the buttons in the menus.

Rounded off | Angular Screen saver Indicates if the screen saver should be used.

Yes | No If activated, the waiting time can be specified (in minutes).

1 ...120 Note: If the screen saver is not activated, after a fixed period of 2 hours, the screen saver is automatically acti­ vated. This prevents the light source from burning out prematurely as well as the picture burning into the screen.

6.4.3 Beep In the Audio signal settings dialog, you can adjust the volume for the acoustic signal indicating several events.

Navigation: "Setup > User settings > Beep" 1 Select any or all of the check boxes.

2 To adjust the volume, select a number (1 is the quietest, 5 is the loudest) from the Volume list.

3 Press Save.

Your acoustic signal settings are saved.

6.4.4 Shortcuts Each user can create up to 12 shortcuts. Shortcuts can be created for methods or manual operations. In the Shortcuts dialog, each user can manage the shortcuts that he has created. The list of all shortcuts created by the user currently logged in can be viewed. Individual shortcuts can be edited and deleted.

Column Description Type Lists the type of method: Man. Op. and Method Name Name of the shortcut Position Position on the Home screen

General Tasks and Settings

51

Editing shortcuts One or more shortcuts are available on the Home screen.

1 Select a shortcut.

The Shortcut parameters dialog appears.

2 Change the Description, Immediate start or Homepage position.

3 Press Save.

The Shortcuts dialog reappears and the shortcut is updated according to your changes.

Deleting shortcuts One or more shortcuts are available on the Home screen.

1 Select a shortcut.

The Shortcut parameters dialog appears.

2 Press Delete.

The Shortcuts dialog reappears and the shortcut is no longer in the list.

To place shortcuts on the Home screen, see "Creating shortcuts" (page 21).

6.4.5 Keyboards Navigation: "Setup > User settings > Keyboards" In the Keyboard settings dialog, you can define the layout for the alphanumeric and the numeric text boxes.

Two types of keyboards are available: Parameters Explanation Range of options ABC keyboard Determines the layout of the alphanumeric text boxes.

English | French | Ger­ man 123 keyboard Defines the organization of the keys for the numeric text boxes.

Calculator | Phone

6.5 Global settings 6.5.1 System settings You can change the system settings for the instrument at any time. There are four main categories.

Navigation: "Setup > Global settings > System" Item Description Identification You can enter and assign an ID consisting of at least 4 and up to 20 alphanumerical characters.

Instrument, Serial number, Software version and Firmware version can­ not be changed in this dialog. These are set at the factory site.

Date / Time

52

General Tasks and Settings

You can define the format used to display the date and time and set the instrument date and time.

Item Header and footer

Description You can define whether all printouts generated by the instrument should have a header or footer. The content of these headers and footers can be entered directly into the respective "text" setting. Up to 70 characters can be entered.

In addition, you can define whether a "report end" text is added to the print­ outs of results and methods.

As part of the report end, signature text boxes are appended to the respective printout consisting of a declaration (possibilities: Created by, Modified by, Checked by, Approved by) followed by an empty line. A personal signature can then be entered on this line.

Data storage

You can define whether all data on the SD card should be deleted on shut down. However, only those users who are assigned to the Administrator user group can perform this task. See "SD card and SD card reader" (page 80) for further details.

6.5.2 User management Navigation: "Setup > Global settings > User management" You can manage users, user groups and account policies for the instrument. ● A maximum of 30 different users can be defined for the instrument, but only one user at a time can be

logged onto the device (single-user operation). ● One user (Administrator) with administrative rights is already stored on the instrument. This user name can

neither be deleted nor assigned to another user group. ● User accounts can be password protected. See the section "Account policies" (page 54) below. ● Users are assigned to a user group. See the section "User groups" (page 56) below. ● Each user has his or her own settings (Language, Screen, Beep, Shortcuts, Keyboards).

You can add, edit and delete users.

Notes – Each user can change the settings on the instrument with the following exception: A user cannot delete his own user account.

– Please use caution when adjusting the instrument settings.

6.5.2.1 Adding a new user account You can create up to 30 user accounts.

Adding a new user (no account policy) Navigation: "Setup > Global settings > User management > User" The Administrator is logged in.

No account policies are set.

1 In the User dialog, press New. The User parameters dialog appears.

2 Press

to enter a user name in the User name text box.

The Enter user name dialog appears.

3 Type in a user name (using the ABC keyboard or typing in the text box) and press OK. The Enter user name dialog closes and you return to the User parameters dialog.

4 Press

to enter a full name in the Full name text box.

The Enter full name dialog appears.

General Tasks and Settings

53

5 Type in a full name (using the ABC keyboard or typing in the text box) and press OK. The Enter full name dialog closes and you return to the User parameters dialog.

6 Select a user group from the User group box.

7 Press Save.

The User parameters dialog closes and the new user appears in the user list of the User dialog.

Adding a new user (with account policy) The Administrator is logged in.

Account policy is set.

1 In the User dialog, press New. The User parameters dialog appears.

2 By default, Reset password and Enforce password are selected and cannot be edited.

3 Press

to enter a user name in the User name text box.

The Enter user name dialog appears.

4 Type in a user name (using the ABC keyboard or typing in the text field) and press OK. The Enter user name dialog closes and you return to the User parameters dialog.

5 Press

to enter a full name in the Full name text box.

The Enter full name dialog appears.

6 Type in a full name (using the ABC keyboard or typing in the text box) and press OK. The Enter full name dialog closes and you return to the User parameters dialog.

7 Select a user group from the User group box.

8 Press Save.

The User parameters dialog closes and the new user appears in the user list of the User dialog.

You can define the following parameters for each user: Parameters Explanation User name The user's login ID Full name

The user's full name

User group

Defines one of four user groups, each with a set of specific user rights.

Range of options Arbitrary | Max. 12 characters Arbitrary | Max. 30 characters Administrator | Expert | Technician | Operator

Default: Expert Reset password

Lock user Enforce pass­ word change

If selected, the user's password is reset to 123456 and the user is prompted to change his password the next time he logs in (only appears if Enforce password was selected in the Account policies dialog).

If selected, the user account is locked (only appears if Enforce password was selected in the Account policies dialog).

If selected, the user is forced to change his password the next time he logs in (only appears if Enforce password was selected in the Account policies dialog).

Selected | Cleared

Selected | Cleared Selected | Cleared

6.5.2.2 Account policies The account policies define the login behavior when the instrument is started up. Three parameters are avail­ able.

Navigation: "Setup > Global settings > User management > Account policies"

54

General Tasks and Settings

● Enforce password ● Min. no. of characters ● Select user from list

Password protection The Administrator has the option to set password protection for the instrument.

If you select the Enforce password box the following occurs: ● The instrument always starts with the Login dialog (even if only one user is defined for the instrument). ● The user name must always be entered in the Login dialog manually (the corresponding input box is

always initially empty) or selected from a list. ● The Lock button appears on the Home screen.

Each user must login initially with the default password 123456 and will be prompted to change the passord immediately.

If you do not select the Enforce password box the following occurs: ● The instrument starts directly without a Login dialog if only one user is defined in the instrument (corre­

sponds to the factory settings). ● The user name can be selected from a list on the Login dialog.

The Min. no. of characters box specifies the minimum number of characters required for user passwords. If this parameter is changed, then a user whose password does not meet this requirement will be asked to change his password the next time he logs in.

Locking the instrument If Lock is pressed, the user must unlock his account by entering his password in the Password box of the Instrument locked dialog.

CAUTION! ● If you select the Enforce password box for an instrument with factory settings, the instrument will demand

the password for the predefined user (User ID Administrator) the next time it is booted up. ● If the Administrator should forget his password, he must request a new password (and provide the instru­

ment serial number and the date for the unlock) from METTLER TOLEDO. When the Administrator has received the new password, it is valid for that specific instrument serial number and only for the date speci­ fied in the request.

User parameters The user parameters change according to the account policies set. See the section "Adding a new user account" (page 53) above for further details.

General Tasks and Settings

55

6.5.2.3 User groups Users can be assigned to 4 different user groups by the Administrator. Each user group has a set of functions assigned specifically for that particular user group.

Functions Operator Technician Expert Administrator Home / Start button X X X X Start shortcuts X X X X Edit shortcuts X X X Start manual operations X X X View and start methods X X X Edit methods X X Delete methods X X Exclude results (own) X X X Exclude results (others) X X Adjust instrument X X Edit calibration substances X X Delete calibration substances X X Edit setup hardware peripherals X X Edit analysis resource behavior X X Delete analysis results X Delete user accounts X Delete data on SD card X Edit report language X X X Import - export (except users / database) X X Import - export users / database X Update software X Reset to factory settings X Edit system settings / user management X

6.5.2.4 Editing a user name You can modify the full name of a user.

Navigation: "Setup > Global settings > User management > User" 1 Select a user from the user list.

The User parameter dialog appears.

2 Press

to enter a new full name in the Full name text box.

The Enter full name dialog appears.

3 Type in a full name (using the ABC keyboard or typing in the text box) and press OK. The Enter full name dialog closes and you return to the User parameters dialog.

4 Press Save.

The User parameters dialog closes.

How to view the results 1 Return to the Home screen.

2 Press User data.

The User data dialog appears and the modified full name is displayed in the Full name text box. This is only applicable if you have changed your full name and are currently logged in.

– or – Go to the user list (follow the Navigation above) and select a user.

The User parameter dialog appears and the modified full name is displayed in the Full name text box.

56

General Tasks and Settings

6.5.2.5 Deleting a user account You can delete users. Your user account must be assigned to the Administrator user group. However, the user Administrator cannot be deleted.

How to delete a user Navigation: "Setup > Global settings > User management > User" Your user account is assigned to the Adminstrator user group.

1 Select a user from the user list.

The User parameter dialog appears.

2 Press Delete.

The User parameter dialog closes and you return to the User dialog.

The selected user is no longer in the user list.

6.5.3 Behavior of analyses and resources Navigation: "Setup > Global settings > Behavior of analyses and resources" In the Behavior of analyses and resources dialog you can make settings concerning the behavior at the end of an analysis and also choose to be reminded when the temperature sensor adjustment data approaches its expiration date.

6.5.3.1 Analysis sequence settings The parameters in the Analysis sequence settings dialog are explained in the table below.

Parameter Explanation Display SOP If the check box is selected, the SOP text entered on creation of the method is displayed at the start of the analysis. You can include such a text describing the standard operat­ ing procedure in the SOP text box of the Title dialog of a method.

Confirm end of If the check box is selected, the analysis dialog and the results it includes are displayed analysis until you press OK. This allows you to leave the instrument to itself during an analysis and return to it to view the final result after the analysis has ended. You can enter an analysis comment or comments on the samples before the dialog is closed and the display returns to the Home screen.

If the check box is cleared, the display automatically returns to the Home screen at the end of an analysis. The result of the analysis can then only be viewed in the Results dialog. See the section "Viewing the analysis results" (page 44).

Display results after analysis

If the check box is selected, the results dialog containing the analysis results is dis­ played at the end of the analysis instead of the Home screen.

6.5.3.2 Expiration of adjustment data You can choose to be reminded when the adjustment data of the temperature sensor is about to expire. The reminders pop up when the user logs in.

In the Action on expiration of adjustment data dialog, you can make the following settings.

Navigation: "Setup > Global settings > Behavior of analyses and resources > Action on expiration of adjust­ ment data" Parameter Explanation None The automatic reminder is deactivated.

Warn You are automatically reminded at login that the adjustment data of the temperature sensor will expire. You will also receive a warning when the reminder date has passed. See the section "Adjustment parameters in the "Temperature sensor" dialog" (page 65).

General Tasks and Settings

57

Parameter Block

Explanation You are automatically reminded at login that the adjustment data of the temperature sensor will expire. You will also receive a warning when the reminder date has passed. See the section "Adjustment parameters in the "Temperature sensor" dialog" (page 65).

You can only run analyses with methods linked to calibration substances. The instrument is blocked for other methods.

58

General Tasks and Settings

6.5.4 Printing possibilities You can print and get printouts from various locations within the software. However, the printer(s) for the partic­ ular instrument must be installed correctly and recognized by the instrument. For a list of possible printers, see the section "Printers" (page 73).

If you are in a dialog where printing is possible, the Print button appears.

There are four different types of printouts available. ● Lists: a printout is generated with all the elements in a list ● Parameters: a printout is generated with all the parameters of the current dialog ● Complete printout: a printout is generated with a summary of several parameters ● Analysis record: a printout is generated with the data belonging to a single analysis based on particular

method You can print within the following dialogs.

Navigation "Home > Methods" * "Home > Methods > user method" * "Home > Results" "Home > Results > Data > New report" "Home > Setup" * "Home > Setup > Calibration substances" * "Home > Setup > Global settings > User man­ agement > User" * "Home > Setup > User settings" *

Description of printout List of methods A complete list of parameters for the chosen method Information about results, statistics, method used for analy­ sis, sample data and resource data A new record can be composed based on a variety of para­ meters that can be selected Information about the calibration substances, user list and temperature sensor Information about the calibration substances Information about the user settings for all users

Information about the user settings for the currently logged on user "Home > Setup > Hardware > Temperature sen­ Information about the temperature sensor as displayed in sor" * the Temperature sensor dialog within any dialog > Info key Information about the instrument * These printouts are not available if a USB-P25/01 compact printer is installed.

General Tasks and Settings

59

60

General Tasks and Settings

7 Maintenance This chapter describes the maintenance measures for the DP70 and DP90 instruments.

7.1 Calibration and adjustment 7.1.1 Performing a calibration You can run a special calibration method to check if the measurement accuracy of your instrument is still within the specified tolerance limits. To create the calibration method, see the section "Creating a method" (page 29).

Calibration method for the relevant calibration substance is available 1 Run an analysis using the appropriate calibration method. See the section "Running an analysis" (page 40) to learn how to run analysis using an existing method.

A message is displayed at the end of the analysis informing you whether or not the calibration results are within the tolerance limits specified for the particular calibration substance.

2 Press OK to confirm the message.

The calibration is now completed. If the results of the calibration are within the specified tolerance limits, there is no need to adjust your instrument. If this is not the case, you must adjust it. See the section "Per­ forming an adjustment" (page 62).

7.1.2 Administrating calibration substances Calibration substances can be defined and used to calibrate your instrument and check its measurement accu­ racy.

Data for the following calibration substances are available on your instrument. The substance listed below is supplied with your instrument or can be ordered separately. See the section "Standard deliverables and options" (page 93): Substance Order number T nominal Tolerance Benzoic acid 00018555 122.2 °C * ± 0.2 °C * The melting point value indicated on the sample bottle and the certificate you receive may differ slightly from the above value. In this case we strongly recommend that you change the value for T nominal and/or the toler­ ance. This is explained below.

Note: Temperature values in °C indicated above can be converted to °F or K if required.

The calibration can be performed with a special calibration method. See the section "Evaluation dialog" (page 31) for more details. Calibration substances can also be used to adjust your instrument. The procedures below show you how to define and edit calibration substances.

Viewing and editing calibration substance parameters Navigation: "Home > Setup > Calibration substances" At least one calibration substance available 1 Select the desired calibration substance on the list.

The calibration substance parameters are displayed in the Calibration substance parameter dialog.

If you do not want to make any changes, you can press Back to return to the Setup dialog or Home to return to the Home screen.

2 Make changes as desired in the Name, T nominal, Tolerance or Comment boxes. See the table below for more details.

3 Press Save to save the changes.

The calibration substance parameters have now been changed and saved.

Maintenance

61

Creating a new calibration substance Navigation: "Home > Setup > Calibration substances > New" Data on a calibration substance is available 1 Make the relevant entries in the Name, T nominal, Tolerance and Comment boxes for the new calibration substance. See the table below for more details.

2 Press Save.

The new calibration substance is saved. It can now be used to calibrate or adjust your instrument.

Note: Up to 100 calibration substances can be stored on the instrument.

Calibration substance parameters Parameter Explanation Name Name of the calibration substance. A name of up to 20 alphanumeric characters can be entered.

Range: A to Z, a to z, 0 to 9 T nominal

The nominal or literature value of the melting point. The unit can be °C, °F or K, depending on the pre-set unit in the Temperature sensor dialog.

Range and increment: 10 to 400 °C / 0.1° C

Tolerance

Range of tolerance allowed for the deviation of the temperature from the nominal value entered in the T nominal box.

Range and increment: 0 to 2 °C / 0.1°C Default value: 0.5 °C

Comment

Information on the calibration substance can be entered.

Note: Temperature values in °C indicated above can be converted to °F or K if required.

7.1.3 Deleting a calibration substance You can delete calibration substances you no longer need. However, only those users who are assigned to the Administrator user group can perform this task.

Navigation: "Home > Setup > Calibration substance" Your user account is assigned to the Expert or Administrator user group.

1 Select the calibration substance you want to delete from the list.

The calibration substance dialog appears.

2 Press Delete.

The selected calibration substance is deleted.

7.1.4 Performing an adjustment The instrument must be adjusted at regular intervals to maintain its measurement accuracy. The time period after which it is necessary to readjust the instrument depends on how it is used. This time period can be defined in a standard operating procedure (SOP) of your organization. With regular use, we recommend calibrating the instrument once a month.

You can use existing results to adjust your instrument or you can enter the data manually. Both ways of adjust­ ment are explained below.

Attention: Adjustments that are not performed properly can lead to inaccurate analysis results. Adjustments should only be carried out by qualified personnel as described below.

Navigation: "Home > Setup > Adjustment"

62

Maintenance

Adjustment parameters dialog 1-point, 1 result (select)

Adjustment parameters dialog 1-point, 2 results (select)

Adjustment parameters dialog 1-point, 1 result (manual)

Adjustment parameters dialog 1-point, 2 results (manual)

Analysis results of one or more calibration substances are available â&#x20AC;&#x201C; or â&#x20AC;&#x201C; Calibration data from previous measurements is available 1 In the Adjustment parameters dialog, you can switch between selected results or manually entered results, depending on the way you want to perform the adjustment.

Press Select results to toggle to the Manual input dialog. or Press Manual input to toggle to the Select results dialog.

2 Select the type of adjustment you want to perform in the Adjustment points list. The number of text boxes that appear corresponds to the type of adjustment you select (for example, a 1-, 2- or 3-point adjustment).

In addition, you can choose up to 2 results for each calibration substance when you select the Two results check box.

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3 To use existing calibration results: Select the desired calibration substance in the Calibr. substance 1 box.

Then press Result 1 and select the desired result in the Select result dialog. You can sort the results by pressing Name, Date, T nominal or Measured. The columns are explained in the table below.

To perform a 2- or 3-point adjustment, select the additional calibration substances in the Calibr. substance 2 and Calibr. substance 3 boxes.

– or – To enter the calibration data manually: Press T nominal 1 and enter the nominal or literature value of melt­ ing point temperature of the calibration substance. Then press T measured 1 and enter the measured value of the melting point temperature.

To perform a 2- or 3-point adjustment, press the additional buttons for the second or third calibration sub­ stance and enter the relevant values.

4 Press Calculate. If the calculated adjustment parameters are within the recommended limits the New adjustment parameters dialog is displayed immediately. Press Save to save the adjustment in this case.

5 If the calculated adjustment parameters Offset A and Slope B are outside the recommended limits, a mes­ sage appears informing you of this. See the section "Adjustment parameters in the Temperature sensor dia­ log" (page 65). In this case, do one of the following: To cancel the adjustment and start a new adjustment: Press Cancel adjustment.

To return the Adjustment parameters dialog: Press Back.

To continue and save the new adjustment parameters: Press Continue to proceed to the New adjustment parameters dialog and then press Save.

Adjustment parameters dialog (selected and manual entry) Parameter Description Adjustment points Select the number of adjustment points.

Default value: 2-point adjustment Range: 1-point adjustment | 2-point adjustment | 3-point adjustment Two results

You can choose up to 2 results for each calibration substance.

Default value: No Range: Yes | No

Calibr. substance 1

Select entry Default value: 0.0 Range: Benzophenone | Benzoic acid | Caffeine | Potassium nitrate | Saccharin | Vanillin

Result 1

Select entry (required) Default value: 0.0 Range: values that were measured for this purpose

Result 1 a

Select entry (required) Default value: 0.0 Range: Result 1 a | Result 2 a | Result 3 a

Result 1 b

Select entry (optional) Default value: 0.0 Range: Result 1 b | Result 2 b | Result 3 b

T nominal 1

Manual entry Default value: 0.0

T measured 1 a

Manual entry (required) Default value: 0.0

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Parameter T measured 1 b

Description Manual entry (optional) Default value: 0.0

Select result dialog Parameter Name Date T nominal Measured

Description Name automatically given the calibration result. The results are named in the chronological order they were produced, for example R1, R2, R3, etc.

Date the result was produced Nominal or literature value of the melting point of the calibration substance Measured melting point of the calibration substance

New adjustment parameters dialog Parameter Description Offset A Resulting value of the newly calculated offset; can be changed Slope B Resulting value of the newly calculated slope; can be changed Default value: 1.0 T nominal 1 T measured 1

Resulting value of the calculation; information only Resulting value of the calculation; information only

7.1.5 Viewing the adjustment parameters The temperature adjustment of your instrument is defined by a set of adjustment parameters that can be viewed in the Temperature sensor dialog. The parameters are explained below.

Navigation: "Home > Setup > Hardware > Temperature sensor"

Temperature sensor adjustment parameters Parameter Explanation Name * Name of the internal Pt100 temperature sensor. Cannot be changed.

Unit Unit in which the temperature values are displayed. This setting defines the unit of all the temperature values that appear on the GUI. The unit can be set to °C, °F or K. Offset A * Offset parameter A of the temperature adjustment. The furnace temperature is adjusted using the following linear equation: Tfurnace = A + B · Traw Range: -2 to 2 °C Slope B *

Slope parameter of the temperature adjustment used in the linear equation shown above.

Range: 0.990 to 1.010

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Parameter Adjustment type *

Explanation Indicates whether the factory adjustment or an adjustment performed by a user is used.

The entry is either Factory adjustment or User adjustment.

Date * Date and time the adjustment was performed.

Performed by * Name of the user that performed the adjustment.

Monitor adjustment Option of monitoring the expiration of the current adjustment. If the check box is select­ ed, the additional boxes listed below appear.

Adjustment interval Length of the period in days after which the instrument must be readjusted. This setting can be defined in a standard operating procedure of your organization.

Expiration date* Date and time the current adjustment will expire. When the adjustment data has expired, the instrument must be readjusted. A message can be displayed to remind the user that the adjustment data is about to expire (see below). The expiration date is internally fixed to 60 days after the adjustment date (see Date parameter above) and cannot be changed.

Reminder Option of displaying a message at login to remind the user that the adjustment data is about to expire. Please note that the message will only appear if Warn is selected in the Action on expiration of adjustment data dialog. See the section "Expiration of adjust­ ment data" (page 57).

If the Reminder check box is selected, the additional box listed below appears.

Days before expira­ Number of days before the expiration date that the reminder message is displayed. tion Range: 0 to 1000 days * These parameters cannot be changed in the Temperature sensor dialog. They are modified with every new adjustment.

Note: Temperature values in °C indicated above can be converted to °F or K if required.

7.2 General care for your instrument The DP instrument needs neither special attendance nor maintenance. The only maintenance required is occa­ sional cleaning due to spillage or particle deposits.

If you do not use the instrument for a longer period of time, you should do the following: 1 Protect the instrument from surroundings influences with the lid and protective lid closed.

2 Switch it off.

3 (Optional) Pull the power supply cable from the outlet.

Safety first!

Before you begin cleaning the instrument or instrument components, please make sure that the following safety measures are met. These apply to the following sections: ● "Cleaning the housing and control panel" (page 68) ● "Cleaning the insulation glass and glass plate" (page 68) ● "Cleaning the furnace" (page 70) ● "Transporting the instrument" (page 28)

CAUTION Electrical shock Damage to the instrument or personal injury – Switch off the instrument and disconnect the power cable.

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CAUTION Hot surface Personal injury – Make sure the instrument has cooled off to room temperature.

After completing the maintenance, do not operate the DP instrument without the lid and protective lid in place.

Performing basic maintenance You can carry out different types of maintenance operations. ● Cleaning the housing and control panel ● Cleaning the insulation glass and glass plate ● Cleaning the furnace

Each procedure is described in the following sections.

Markings on the lid (DP70) The lid has 3 different markings on it. ● Filled circle: You can insert the sample carrier. ● Open circle: The furnace is protected and you cannot insert the sample carrier. ● Wrench: The lid can be removed for cleaning and servicing.

To learn how to remove the lid for cleaning and servicing, refer to the next sections.

Lid markings and positions

Filled circle position

Open circle position

Wrench position

Opening the lid on the DP90 The lid of the measuring cell of the DP90 can also be opened for maintenance and service tasks.

See photo below.

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1 Insert a long object such as a spatula or screw driver into the opening at the back of the measur­ ing cell.

2 Push the long object until the latch releases the lid.

The lid pops open and can be removed.

Measuring cell of DP90

7.2.1 Cleaning the housing and control panel To keep the instrument looking good and functioning properly, the housing and control panel should be cleaned as needed.

Please adhere to the safety measures as described in the section "General care for your instrument" (page 66).

The instrument is switched off and the power cable is disconnected from the outlet.

The instrument has cooled off to room temperature.

The sample carrier is removed.

1 Remove any loose particles from the housing and control panel with a fine brush or by blowing.

– Be careful not to scratch the components.

2 Moisten a soft cloth with water and a mild detergent.

3 Clean the housing with the soft, slightly moist cloth.

4 Dry off any residual moisture.

– No humidity should enter the instrument.

5 Reinsert the power cable in the outlet and switch on the instrument.

The instrument housing is clean and ready for your next analyses.

7.2.2 Cleaning the insulation glass and glass plate In order to prevent false readings, the insulation glass and glass plate should be checked regularly and cleaned as needed. Particles and smudges can block the light or cause bothersome spots in the pictures.

You can check the condition of the two glass plates by viewing the furnace from the inside. See the section "Viewing the inside of the furnace " in the "Manual tasks menu" (page 50). If the light appears homogeneous and bright, then you do not have to undertake any further action.

Please adhere to the safety measures as described in the section "General care for your instrument" (page 66).

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Important â&#x20AC;&#x201C; If you are unsure about the cleaning procedure or the use of solvents, please contact METTLER TOLEDO first for service advice. â&#x20AC;&#x201C; Do not attempt to remove any debris from the camera lens!

Please refer to the picture references (1 - 5b) below.

The instrument is switched off and the power cable is disconnected from the outlet.

The instrument has cooled off to room temperature.

1 Pull back the protective lid and remove the sample carrier (1).

2 Gently press the release latch inside with a long object (such as a spatula) and turn the lid to

(2).

The lid pops up slightly.

3 Lift out the long object and insert your finger in the recess at the top of the measuring cell and lift off the lid with two hands (3).

4 For the insulation glass: Press the metal latch (4a) and lift the sample carrier guide containing the insula­ tion glass carefully out of the recess (4b).

5 For the glass plate: Pull the metal latch (5a) out slightly and lift the glass plate carefully out of the recess (5b).

6 Moisten a soft cloth with water and a mild detergent.

7 Clean the two glass plates with the soft, slightly moist cloth.

8 Dry the two glass plates so that no moisture enters the instrument.

9 Carefully place the sample carrier guide back into the recess as shown in 4b.

The metal latch clicks into place when properly reinstalled.

10 Carefully place the glass plate back into the recess as shown in 5b.

11 Replace the lid and turn it to

or to .

12 Reinsert the power cable in the outlet and switch on the instrument.

The insulation glass and glass plate are reinstalled, clean and ready for your next analyses.

Cleaning and maintenance 1

2

3

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4a

4b

5a

5b

7.2.3 Cleaning the furnace To avoid having to clean the furnace, prepare your samples carefully and make sure that the sample carrier and cups and cup lids are free of residue. However, the area around the sample carrier can still become sticky over time and the removal may be a bit difficult.

Please adhere to the safety measures as described in the section "General care for your instrument" (page 66).

Important – If you are unsure about the cleaning procedure or the use of solvents, please contact METTLER TOLEDO first for service advice.

– Do not attempt to remove any debris from the camera lens!

Refer to the picture references (1 - 3) in the section "Cleaning the insulation glass and glass plate" (page 68).

1 Pull back the protective lid and attempt to remove the sample carrier (1).

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2 If you are unable to remove the sample carrier, run a method to heat the furnace to 10 °C above the expect­ ed dropping point temperature of the current sample. To learn how to create a method refer to the section "Creating a method" (page 29).

3 Try to remove the sample carrier again.

– If you are not successful, contact METTLER TOLEDO for service advice.

– If you are successful, you can heat the furnace to 400 °C until clean. After a certain amount of time, the furnace will turn off automatically.

4 Let the instrument cool off to room temperature.

The furnace is clean and ready for your next analyses.

Condensation in DP90 Condensation can build up in the measuring cell, for example, when opening and closing the door of the refrig­ erator or freezer.

To eliminate the condensation, remove the measuring cell from the freezer and heat the furnace to 200 ºC until all of the moisture has evaporated (approximately 1 hour).

7.3 Importing and exporting data You can use this function to save data on a USB memory stick (export) and reload the data back to the instru­ ment later on (import). This can be useful should the instrument come back from repair.

Thus it is possible to create a backup of most data in the instrument.

A backup copy can include: ● All methods ● Single method ● User management ● Database

CAUTION! Read the following information carefully to prevent the possible loss of data. ● Database information will be saved since the last system shut down. Data that is currently in work will not

be saved. This is essential for exporting an intact database. ● If you upload data from a backup copy, the existing data in the instrument is overwritten. ● Database copies can only be imported from the same instrument. ● Database copies can only be imported from the same software version.

The backup copy does not contain video data.

Saving the database 1 Make sure that no tasks are running and all of your changes are saved.

2 Press

(for 1 second) to turn off the instrument.

The database is saved and prepared for the export. The instrument is switched off.

Exporting data Navigation: "Setup > Mainten. & Service > Import / Export" The instrument is on, but no tasks are running.

A USB memory stick (with enough free storage) is inserted.

1 In the Action list, select Export.

2 In the Data list, select a data type.

If you choose All methods, User management or Database, continue with step d.

If you choose Single method, press next to the Method ID list.

The Methods list opens.

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3 Select a method from the list.

You return to the Import/Export dialog.

4 Press Start.

The data type is exported to the USB memory stick and a confirmation message is displayed.

Importing data Navigation: "Setup > Mainten. & Service > Import / Export" The instrument is switched on, but no tasks are running.

A USB memory stick (with data to be imported) is inserted.

1 In the Action list, select Import.

2 In the Data list, select a data type.

If you choose All methods, User management or Database, continue with step d.

If you choose Single method, press of the Method ID list.

The Methods list opens.

3 Select a method from the list.

You return to the Import/Export dialog.

4 Press Start.

The data type is imported and a confirmation message is displayed.

7.4 Resetting the instrument to factory settings Note ● Only the Administrator can reset the instrument to the factory settings. ● During the process, all data and changes to settings made by users of the instrument are lost.

Resetting to factory settings Navigation: "Setup > Mainten. & Service" 1 Press Reset to factory settings.

The Reset to factory settings dialog appears with a warning and instructions for preventing data loss.

2 Press Start.

The Info dialog appears.

3 If you really want to reset the instrument back to the factory settings, press Continue.

The instrument is reset and then automatically shut down. You must start it up again. See the section "Start­ ing up and shutting down the instrument" (page 26) for more information.

Resetting the adjustment parameters It is possible to reset only the adjustment parameters to factory settings in the Temperature sensor dialog as explained in the following. During the process, all data and changes to settings made by users of the instru­ ment are retained, as opposed to the procedure explained above.

Navigation: "Setup > Hardware > Temperature sensor" 1 Press Factory adjustment. The Factory adjustment button does not appear if the adjustment data has already been reset to factory settings.

CAUTION! A message appears reminding you that the current adjustment data will be lost.

2 If you wish to continue and overwrite the current adjustment data, press OK. – or – To cancel and keep the current adjustment data, press Cancel.

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7.5 Updating the instrument software You can use the Update function to bring the instrument software up to date.

CAUTION! ● Only the Administrator or a user with administrator group rights can update the software. ● During the process, results, shortcuts and manual methods are lost. ● Only updates to a new version of software are supported.

Navigation: "Setup > Mainten. & Service" You have made a backup of your results, methods and user management data.

You have downloaded the updated software from http://www.mt.com/thermal-values-update.

Note: In order to be able to download the software you need to register on www.mt.com.

You have stored and extracted the files on your server or hard drive.

You have read the release notes.

1 Copy the 2 update files to the USB memory stick.

2 Press Update on the control panel.

The Software update dialog appears with instructions to insert a USB memory stick.

3 Press Start.

The software version on the instrument is updated and the instrument then automatically shuts down. You must start it up again to continue with your analyses. See the section "Starting up and shutting down the instrument" (page 26) for more information.

7.6 Supported devices and options The following peripheral devices or options can be connected to or used with the instrument. Please refer to the chart for your specific instrument.

A standard USB hub can be used if more than three devices are to be connected to the instrument.

Options DP70 Line printer X PDF writer X Network printer X Barcode reader X USB memory stick X SD card and USB SD card reader X USB keyboard and mouse X Network storage X VNC (Virtual Network Computing) X

DP90 X X X X X X X X X

Network settings and SOAP Network settings are important for the connection of network devices such as printers. See the section "Printers" (page 73) for a full description of the printers, network parameters and installation instructions.

The function behind the SOAP button will be used in the future in conjunction with connectivity.

7.6.1 Printers Three types of printer devices can be installed, depending on the DP instrument model, output (paper, PDF) or network availability:

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● USB Compact Printer: a robust and easy-to-operate matrix printer which prints onto standard quality paper

rolls. ● PDF Writer: can be connected for PDF output (Storage location can be selected: a USB memory stick or an

SD card. ● Network Printer: can be connected to the ethernet interface of the DP instrument, either by installing the

printer in the network or using a switch. ESC/P 2 and PCL compatible printers from various manufacturers are supported (ethernet interface only!). Two types of configuration options are supported for obtaining IP addresses automatically (dynamic) or setting it manually (static).

The following table provides an overview of which printer combinations are possible with the different DP instru­ ments.

Printer / DP instrument combination Printer type USB Compact Printer Network Printer (see list of recom­ mended types) PDF Writer and storage type

DP70 X X

DP90 X X

X

X

USB stick SD card

USB stick SD card

For more information about the printer types, follow the link: http://www.mt.com/thermal_value_excellence_printer Scenarios USB Compact Printer

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PDF Writer

Network Printer: dynamic IP address

Network Printer: static IP address

Notes ● For the scenario "Network Printer: static IP address", a direct connection between the printer and the DP

instrument is not possible. The connection needs to be routed over a switch. ● The printers in the list below have been tested with the HP-PCL protocol. For the Epson EPL-6200 the Epson

ESC/P 2 protocol is also possible.

Supported network printers Maker Model OKI B411 dn HP DeskJet 6940 HP LaserJet M5035 MFP HP CM4730 MFP HP Color LaserJet 3700dtn Epson EPL-6200 Epson EPL-6200

Protocol HP-PCL HP-PCL HP-PCL HP-PCL HP-PCL HP-PCL Epson ESC/P 2

Communication Port 9100 Port 9100 Port 9100 Port 9100 Port 9100 Port 9100 Port 9100

7.6.1.1 Installing the printers The following sections describe the installation of the various printers.

Installing the USB Compact Printer Navigation: "Setup > Hardware > Peripherals" All cables required are attached.

1 Connect the USB cable (connected to the printer) to the one of the USB ports on the back side of the instru­ ment.

2 Press Printer.

The Printer dialog appears.

3 In the Connection list, select USB Compact Printer.

4 Press Save.

The printer type is saved.

Note: We recommend using a USB cable with ferrite beads on both ends. They are used to suppress high fre­ quency noise in electronic circuits.

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Installing the PDF Writer Navigation: "Setup > Hardware > Peripherals" All cables required are attached.

1 Press Printer.

The Printer dialog appears.

2 In the Connection list, select PDF Writer.

3 In the PDF storage location list, select USB stick or SD card.

4 Press Save.

The printer type and storage location are saved.

Installing a network printer Before you can print with the DP instrument using a network printer, the printer must function within your net­ work (see the section "Printers" (page 73) for a list of possible printer types).

1 Follow the manufacturer's installation instructions for your printer type.

2 Print a test document from a PC, which is also connected to the same network as the DP instrument.

The network printer is successfully installed in the network.

CAUTION! Do not continue with the network printer - DP instrument connection as described below until the net­ work printer is successfully installed. If you encounter difficulties during the installation, contact your network administrator or the printer manufacturer. The following settings must be configured correctly: ● IP Address ● Subnet Mask ● Default Gateway ● DNS Server

Navigation: "Setup > Hardware > Peripherals > Printer" Printer is successfully installed in the network.

DP instrument is connected to the network 1 In the Connections list, select Network Printer.

The Printer dialog expands.

2 Select or enter the information for the following items: Type, Network name, Port number, Paper size, User name (optional), and Password (optional).

3 Press Ping.

You get a message: "Network ping to ('IP address') successful."

4 Press OK.

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5 Press Save.

The network printer is installed.

Printing the test page To verify that your printer is installed and properly configured, you can print a test page by pressing the Test page button in the Printer dialog. ● If you have a line printer connected, a test page for the line printer is printed. ● If you have the PDF Writer or Network Printer connected, the instrument Information report is printed.

7.6.1.2 Network connection The following sections describe how to connect the instrument to your network. You can use the network con­ nection to connect to a network printer or to the LabX software, for example. Communication can be established using a static or a dynamic IP address.

Navigation: "Setup > Hardware > Peripherals > Network" Connecting to a network using a dynamic IP address Network settings dialog is open 1 Connect the ethernet cable to the network port on the instrument.

2 Select Obtain IP address automatically.

Note: The IP address refers to the IP address of the instrument.

All text boxes turn into uneditable text boxes.

3 Press Save.

You get a message: "In order to implement the changes, you must restart the instrument".

4 Restart the instrument.

The IP address is now configured and the instrument is connected to the network.

Connecting to a network using a static IP address This sections explains how you connect to a network using a static IP address.

Note: In a small network we recommend to install a network switch between the instrument and the device the you want to connect to.

The Network settings dialog is open.

1 Connect the ethernet cable to the network port on the instrument.

2 Press Network.

The Network settings dialog appears.

3 Leave Obtain IP address automatically cleared.

4 Press for each of the following items and fill in the information: IP address, Subnet mask, Standard gateway, Primary DNS, Secondary DNS, and DNS suffix.

Note: The IP address refers to the IP address of the instrument. See the table below for a description of the parameters.

5 Press Save.

You get a message: "In order to implement the changes, you must restart the instrument".

6 Restart the instrument.

The IP address is now configured and the instrument is connected to the network.

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Network settings parameters Parameters Range Obtain IP address Selected | cleared automatically Note: the following boxes are read-only if the check box is selected .

Default: Yes IP address

IP address of the instrument Default: read from Windows registry

Subnet mask

IP address Default: read from Windows registry

Standard gateway

IP address Default: read from Windows registry

Primary DNS

IP address Default: read from Windows registry

Secondary DNS

IP address Default: read from Windows registry

DNS suffix

Name Default: read from Windows registry

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7.6.2 Barcode readers Barcode readers can be connected to the USB interface of the instrument and can also be used like a keyboard to enter text in open text input fields.

METTLER TOLEDO recommends the following barcode readers: ● Gryphon I GD 4100 ● Gryphon I GD 4100 Cordless

Both barcode readers need to be programmed before use in order to eliminate errors in text output. Please fol­ low the simple instructions below for these models: 1 Follow the manufacturer's instructions for installing the barcode reader.

2 Read in the three codes in the following order as displayed below, and listen for the acoustic signal. Each barcode generates a different series of beeps. The different types of barcodes are shown below.

The barcode reader is programmed.

1. "Enter configuration"

2. "no terminator"

3. "Exit and Save Configuration"

7.6.3 USB memory stick You can use any one of the three USB ports for exchanging data. The USB port on the side of the instrument is easier to access compared to the ones on the back. See the following sections for a diagram of the port loca­ tions for each instrument. ● "Instrument overview DP70" (page 14) ● "Instrument overview DP90" (page 15) ● "Connections at the back of the instrument" (page 16)

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7.6.4 SD card and SD card reader You can use the built in SD card for exchanging data.

The SD card contains up tp three files per analysis: ● Large avi file, which contains the video ● CSV file, which can be opened with MS Excel ● PDF file, if set up as a report format

The data can be transferred to any PC with a suitable SD card slot or by way of an adapter (USB SD card read­ er) if your PC doesn't have an SD card slot.

The SD card reader can be ordered through METTLER TOLEDO. See the section "Standard deliverables and options" (page 93) for the order number.

We recommend using the SD card delivered with the instrument. If this is no longer available, we recommend using an SD card with maximum 2 GB and a high transfer rate. SDHC is not supported.

The SD card slot is located on the right side of the instrument. See the section "Instrument overview DP70" (page 14) or "Instrument overview DP90" (page 15) for a diagram of the port location.

Inserting and removing the SD card 1 To insert, push the SD card into the port.

The SD card is locked into place.

2 To remove, push the inserted SD card slightly into the port.

The SD card is unlocked and "jumps" out.

Deleting data on the SD card If the SD card is full , you can delete all the data on it to obtain free storage space. However, only those users who are assigned to the Administrator user group can perform this task.

Be sure to backup your data first (for example, with the help of an SD card reader).

Navigation: "Home > Setup > Maintenance" Your user account is assigned to the Administrator user group.

Your data on the SD card is backed up.

1 Press Delete data on SD card.

The message "Do you want to delete all data on the SD card?" appears.

2 Press Continue.

The message "The content of the SD card was deleted!" appears. All data on the SD card is now deleted.

3 Press OK to return to the Maintenance & Service dialog.

7.6.5 Keyboard and mouse To make typing easier in the text and number boxes of the GUI, you can attach a keyboard and a mouse (with a USB connector) to the two USB ports at the rear of the instrument. You can order a USB keyboard from METTLER TOLEDO. See section the "Standard deliverables and options" (page 93) for order number.

In addition, several function keys on the keyboard can be used as shortcuts. See the table below for the list of function keys.

Key Function on instrument Home Home key End Reset key F1 Info key

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7.6.6 Setting up network storage You can also store your results or the PDF file on the network. You can transfer the data to an FTP server or a network share folder. The configuration is valid for all users.

Navigation: "Setup > Hardware > Peripherals > Network storage" Please refer to the table below for the parameter descriptions.

You are logged in as a user belonging to the Expert or Administrator user group.

The Connection type in the Printer dialog is set to PDF Writer.

Navigation: "Setup > Hardware > Peripherals > Printer" 1 Press

to select the data transfer method from the Transfer via list box.

2 Press for each of the following parameters to enter the data: Server, User name, Password, Domain, Target folder, First level folder, and Second level folder.

Note: The options for First level folder and Second level folder can be used to help sort data by creating folders based on, for example, the user name or method ID. 3 Select Export results.

4 Select Export PDF. 5 Press the Connection test button. This button tests the read-write access to the files and folders designated for network storage.

If the connection test is not successful, you will see a pop-up naming the source of error (see table below).

Your instrument has been successfully configured for network storage.

Notes: ● The data remains on the original storage medium. ● Depending on the data transfer type (FTP or Network share) you chose, you will see the parameters accord­

ingly. ● The information for items marked with * in the below table must be provided by your system administrator.

Parameters *Transfer via

Explanation Method for transferring data

Range of options FTP | Network share

Default: FTP *Server

PC or server name. Users should have read-write access.

Maximum 60 alphanumeric characters

*Share name *User name

Name of the share folder User name

Arbitrary | IP address or name of **server (for network share, only server name allowed) Arbitrary Arbitrary

Maximum 30 alphanumeric characters *Password

Password for the FTP server or network share

Arbitrary

Maximum 30 alphanumeric characters *Domain

Domain name for the user

Arbitrary

Maximum 30 alphanumeric characters Target folder

Name of target folder for PDFs or results

A...Z a...z, 0...9, \, /

Maximum 30 characters

(Optional)

A pdf_export folder and a results folder are automatically creat­ ed in the target folder when specified. If no target folder is speci­ fied the folders are created in the root folder.

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Parameters Explanation First level folder Can be used to sort data.

Default: None

Range of options None | User name | Instrument ID | Date | Method ID | Analysis comment (Optional)

Second level folder

Can be used to sort data.

Appears only if an option other than None is selected in First level folder box.

Default: None

Export results

None | User name | Instrument ID | Date | Method ID | Analysis comment (Optional)

Results are exported (avi and csv files) Must be selected to work!

Export PDF

PDF data (reports) exported.

Must be selected to work!

Connection test

Tests the read-write access to the files and folders designated for network storage. The following messages can occur: ● Connection test was successful. ● Server not available. ● User or password incorrect. ● No write access.

7.6.7 Virtual Network Computing (VNC) The instrument can be operated using a technology called Virtual Network Computing (VNC). This is a graphi­ cal desktop sharing system used to remotely control another computer or device. It transmits the keyboard and mouse events from the computer to the device, relaying the graphical screen updates back in the other direc­ tion, over a network. VNC is platform-independent: a VNC viewer on one operating system may connect to the VNC server on the device.

There are several suppliers of VNC technology. Please refer to the list below to download the application. ● http://www.uvnc.com ● http://www.realvnc.com ● http://www.tightvnc.com

Setting up VNC You need a server connection.

1 Download the VNC application of your choice.

2 Follow the manufacturer's instructions for installation of the VNC viewer on the computer.

3 Write down the IP Address of the instrument.

Navigation: "Setup > Hardware > Peripherals > Network" 4 Write down the password for the instrument. This consists of the first 8 alphanumeric digits of the Instru­ ment ID. Navigation: Setup > Global settings > System > Identification > Instrument ID 5 Start the VNC viewer.

6 Enter the IP address and password in the VNC viewer interface as retrieved in the previous steps.

You should see the remote display.

82

Maintenance

7.7 License Agreement for METTLER TOLEDO Dropping Point Systems Instrument Software IMPORTANT-READ CAREFULLY: This License Agreement is a legal agreement between you ("Licensee") and [Mettler-Toledo] for the proprietary software product identified above, which includes computer software and may include associated media, printed materials, and "online" or electronic documentation (hereinafter referred to as "SOFTWARE PRODUCT", resp. "SOFTWARE" when referring to the computer software delivered as part of SOFTWARE PRODUCT). This SOFTWARE PRODUCT is made available to you only on the terms and conditions of this agreement. By installing, copying, or otherwise using the SOFTWARE PRODUCT (which ever occurs first), you agree to be bound by the terms of this agreement. If you do not agree with the terms of this agree­ ment, you are not authorized to use the SOFTWARE PRODUCT. All rights not expressly granted to Licensee in this agreement are specifically reserved to [Mettler-Toledo].

Software Product License The SOFTWARE PRODUCT is protected by copyright laws and international copyright treaties, as well as other intellectual property laws and treaties. The SOFTWARE PRODUCT is licensed, not sold.

1. Grant of License.

Installation and Use. This agreement grants to you the non-exclusive and non-transferable right to use the SOFTWARE PRODUCT for your own internal purposes only. Software licenses are granted for a license per com­ puter installation or per each device which is connected to a computer on which the SOFTWARE PRODUCT is installed, as defined Mettler-Toledo’s specifications and/or offer or by separate agreement between the parties.

You may only install the SOFTWARE in accordance with our installation manuals. The rights and limitation of this agreement also govern updates/upgrades of the SOFTWARE PRODUCT. You may make copies of the SOFT­ WARE PRODUCT solely for archival purposes in support of your use of the SOFTWARE PRODUCT. You may not reproduce or distribute the software in any other way, including rental or leasing.

2. Description of other Rights and Limitations.

Limitations on Reverse Engineering, Decompilation, and Disassembly. You may not reverse engineer, decom­ pile, or disassemble the SOFTWARE PRODUCT, except and only to the extent that such activity is expressly per­ mitted by applicable law notwithstanding this limitation.

Support Services and Registration of Licensee. [Mettler-Toledo] may provide you with support services relat­ ed to the SOFTWARE PRODUCT ("Support Services"). Use of Support Services is governed by [Mettler-Toledo]'s policies and programs described in the user manual, in "online" documentation, and/or in other Mettler-Toledoprovided materials. Any supplemental software code provided to you as part of the Support Services shall be considered part of the SOFTWARE PRODUCT and subject to the terms and conditions of this agreement. With respect to technical and other information you may provide to [Mettler-Toledo], [Mettler-Toledo] may use such information for its business purposes, including for product registration, support and development. [MettlerToledo] will not divulge such information to third parties in a manner that allows personal identification.

Transfer. You may not transfer any of your rights under this agreement. Licensee agrees to communicate the terms and restrictions contained in this agreement to all persons under his or her employment, direction, or control who have access to the SOFTWARE PRODUCT. Taxes. Any withholding tax is to be paid by the party liable for payment. The parties to this Agreement bind themselves to obtain a refund of deductions if necessary. They will give one another mutual support in carrying out their procedural obligations.

Termination. Without prejudice to any other rights, Mettler-Toledo may terminate this agreement if you fail to comply with the terms and conditions of this agreement. In such event, you may not use the SOFTWARE PROD­ UCT any longer and you must destroy all copies of the SOFTWARE PRODUCT and all of its component parts.

3. Copyright.

All title and copyrights in and to the SOFTWARE PRODUCT (including but not limited to any images, pho­ tographs, animations, video, audio, music, text, and "applets" incorporated into the SOFTWARE PRODUCT), the accompanying printed materials, and any copies of the SOFTWARE PRODUCT are owned by [Mettler-Toledo] or its suppliers. The SOFTWARE PRODUCT is protected by copyright laws and international treaty provisions.

Therefore, you must treat the SOFTWARE PRODUCT like any other copyright protected material.

Maintenance

83

4. Warranties.

The SOFTWARE PRODUCT and any related documentation is provided to you ''as is". Licensee is solely respon­ sible for selection of the SOFTWARE PRODUCT and components to achieve Licensees intended results or for particular applications and systems.

Limited Warranty. If the SOFTWARE PRODUCT is or becomes defective or unusable due to faulty design or incorrect manufacture within 90 days after you first accept this agreement, [Mettler-Toledo] undertakes at its sole discretion at your written request to provide you with a performing copy of the SOFTWARE PRODUCT or to refund you the purchase price and terminate this agreement. [Mettler-Toledo] specially does not warrant that the SOFTWARE PRODUCT will run uninterrupted or error-free.

No other warranties. [Mettler-Toledo] expressly disclaims any further warranty for the SOFTWARE PRODUCT including warranty of any kind, whether express or implied, including, without limitation, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement. The entire risk arising out of use or per­ formance of the SOFTWARE PRODUCT remains with you.

No liability for damages. In no event shall [Mettler-Toledo] or its suppliers be liable for any damages whatso­ ever including, without limitation, damages for loss of business profits, business interruption, loss of business information, or any other pecuniary loss arising out of the use of or inability to use this SOFTWARE PRODUCT, even if [Mettler-Toledo] has been advised of the possibility of such damages. Because, however, some juris­ dictions do not allow the exclusion or limitation of liability for consequential or incidental damages by compul­ sory law, the above limitation may not apply to you and/or will be adjusted accordingly.

5. Miscellaneous.

This agreement is governed by the laws of [Switzerland]. Any dispute arising out of or in connection with this agreement shall be subject to the exclusive jurisdiction of the ordinary courts of the [Canton of Zurich, Switzer­ land]. The provisions of the United Nations convention on Contracts for the International Sale of Goods is expressly excluded. Notwithstanding the foregoing, Mettler-Toledo retains the right to bring legal action against you before any other competent court.

7.8 Disposal In compliance with European Directive 2002/96/EC on Waste Electrical and Electronic Equipment (WEEE), this instrument must not be disposed of together with domestic waste. This also applies to countries outside the EU, per their specific requirements.

Please dispose of this product in accordance with local regulations at the collecting point specified for electrical and electronic equipment.

If you have any questions, please contact the responsible authority or the distributor from which you purchased this instrument.

Should this instrument be passed on to other parties (for private or professional use), the content of this regulation must also be related.

Thank you for your contribution to environmental protection.

84

Maintenance

8 Troubleshooting This chapter describes the troubleshooting measures for the DP70 and DP90 instruments.

8.1 Error messages and warnings If a malfunction or a disturbance occurs, an error message will appear on the touch screen describing the prob­ lem and possible measures to overcome it.

The following lists contain all the error messages relevant for the operation of your instrument.

Error messages indicate a malfunction. In some cases, the problem can be overcome by the operator. In other cases, a METTLER TOLEDO service engineer must be called. If an error code is indicated, it should always be reported to METTLER TOLEDO service support in these cases.

Error messages with error codes Code Message text 13 The instrument's heating element is defective. Disconnect the instrument from the power supply immediately and call a service technician.

14 The temperature inside the instrument is critically high. Let the instrument cool down before conducting further analyses.

Explanation and measures A severe problem has occurred with the heating element.

– Disconnect the instrument from the power supply imme­ diately and call a service technician.

The temperature inside the instrument has exceeded a limit set in the software. It is possible to continue the current analysis, if required.

1 Let the instrument cool down before conducting further analyses.

2 Move the instrument to a cooler place.

3 If the error reoccurs, call a service technician.

15

The temperature inside the instrument is too high. No analyses can be con­ ducted until the instrument has cooled down.

The temperature inside the instrument has exceeded a limit set in the software. The current analysis cannot be contin­ ued.

1 Wait until the instrument has cooled down sufficiently.

Then restart the instrument.

2 Move the instrument to a cooler place.

3 If the error reoccurs, call a service technician.

17

There is too little reflected light. The image of the furnace may appear too dark. Make sure that the insulation glass is inserted properly and restart the instrument.

Too little reflected light was detected by the camera system.

1 Clean the insulation glass and make sure that it is insert­ ed properly. See the section "General care for your instru­ ment" (page 66).

2 Restart the instrument.

3 If the error reoccurs, call a service technician.

18

25

A problem with the power supply has occurred. Disconnect the instrument from the power supply and connect it again. If the problem reoccurs, call a service technician.

Device (...) not found.

The power supply has failed.

1 Disconnect the instrument from the power supply and connect it again.

2 If the error reoccurs, call a service technician.

An internal device could not be found.

1 Restart the instrument.

2 If the error reoccurs, call a service technician.

Troubleshooting

85

Code 27

Message text Database write/read error

Explanation and measures An error has occurred while reading the database or writing to it.

1 Restart the instrument.

2 If the error reoccurs, call a service technician.

29

Database is corrupt. Please reinitialize The database must be repaired. This can be done by updat­ it. ing or reinstalling the software on the instrument.

– Reinstall or update the software version.

31

The furnace temperature is too high.

No analyses can be conducted until the instrument has cooled down.

The furnace temperature has exceeded a limit set in the soft­ ware. The current analysis cannot be continued.

1 Wait until the furnace has cooled down sufficiently.

2 If the error reoccurs, call a service technician.

32

A/D converter error. Restart instrument. A severe problem with the analog/digital convertor has In the event of reoccurrence, replace occurred. board.

1 Restart the instrument.

2 If the error reoccurs, call a service technician.

38

Network ping to (...) not possible.

Communication with a particular network device (for exam­ ple a printer) is not possible.

1 Check if the device is available and check the network connections. If necessary, consult your IT department.

2 If the error reoccurs, call a service technician.

42

Software watchdog: Please restart the instrument!

An irregularity during runtime of the software has been detected by the software watchdog.

1 Restart the instrument.

2 If the error reoccurs, call a service technician.

45

Caution: EEPROM data cannot be read. The default data was used.

Restart instrument

An error reading the internal memory has occurred.

1 Switch off the instrument and restart it.

2 If the error reoccurs, call a service technician.

46

Board cannot read Chip ID. Restart instrument. In the event of reoccur­ rence, replace board.

An error reading the ID of the main processor chip on elec­ tronics board has occurred.

1 Switch off and restart the instrument.

2 If the error reoccurs, call a service technician.

52

Server (...) could not be found.

The specified server cannot be reached.

1 Check the server name.

2 If network share is used, no IP address should be entered. The error can also occur if the username or the password is wrong.

3 If the error reoccurs, call a service technician.

53

User (...) could not be logged in to server (...).

Check user name and password.

The instrument could not login to the server because the username or password is wrong.

1 Check the username and password.

2 If the error reoccurs, call a service technician.

86

Troubleshooting

Code 54

Message text Connection test failed.

Check if user (...) has write access to the server.

Explanation and measures The connection test has failed.

1 Check if the user has write access to the server.

2 Check the available storage space on the server.

3 If the error reoccurs, call a service technician.

56

An error occurred while writing to the network storage.

Check the network storage settings.

Network storage is not configured correctly.

1 Check the settings and carry out a connection test.

2 If the error reoccurs, call a service technician.

60

The instrument was not able to detect the furnace position. Stored values were used to adjust the optics. The optics of the system are not adjusted optimally.

The furnace position could not be detected by the camera system.

1 Make sure that no samples are inserted.

2 Check if the insulation glass is clean and inserted proper­ ly.

Make sure that no samples are insert­ 3 Check if the glass plate is clean and inserted properly. ed. Restart the instrument.

For more information, see the section "Cleaning the insu­ lation glass and glass plate" (page 68).

4 If the error reoccurs, call a service technician.

61

The instrument was not able to detect The white balance area could not be detected by the camera the white balance area for adjustment. system.

The white balance of the system is not 1 Make sure that no samples are inserted. adjusted optimally.

2 Check if the insulation glass is clean and inserted proper­ Make sure that no samples are insert­ ly. ed and the insulation glass is in place 3 Check if the glass plate is clean and inserted properly. within the instrument. Restart the For more information, see the section "Cleaning the insu­ instrument. lation glass and glass plate" (page 68).

4 If the error reoccurs, call a service technician.

The following error messages do not include an error code and appear at the start of an analysis: Error messages without error codes Message text Caution! Sample carrier and lid are hot.

Explanation and measures The temperature in the furnace has exceeded 250 °C. Wait for the instrument to cool down to room temperature before touching the sample carrier and lid.

Maximum number of results reached: (...) The maximum number of analysis results that can be stored has been reached. The next analysis result produced will overwrite the oldest result currently stored. "Oldest result" means the result with the oldest date and time stamp.

The temperature adjustment has expired.

– Backup the data stored on the instrument (see "Importing and exporting data" (page 71)).

The expiration date of the adjustment specified in the Tempera­ ture sensor has been reached.

– Calibrate the instrument and, if necessary, readjust it.

The adjustment data has expired. The instrument is blocked. Only methods with a calibration substance can be started.

The adjustment data has expired and Block was selected in the Action on expiration of adjustment data dialog. No calibration substance has been assigned to the selected method. See the section "Evaluation dialog" (page 31).

Troubleshooting

87

Message text The method (...) does not exist.

Explanation and measures The indicated method used in the analysis is not available.

– Create the method and start the analysis again.

The method (...) is invalid.

The indicated method cannot be used because it is invalid.

– Check the method parameters and if necessary correct them.

Not enough video memory. Increase the heating rate.

The method you have chosen for the analysis will produce too much video data to store in the memory.

The calibration substance (...) does not exist.

– Increase the heating rate or reduce the temperature range defined in the method.

The calibration substance referenced in the method does not exist.

– Ignore the error message and continue the analysis.

USB stick is full. Free up memory on USB stick.

The SD card is full.

The SD card is write-protected.

The SD card is not available.

Please insert USB stick.

The space on the USB stick is filled up.

– Free up memory on USB stick by backing up the data on another device (for example hard disk of a computer or serv­ er).

The available space on the SD card is filled up. The next analysis result produced will overwrite the oldest result currently stored.

"Oldest result" means the result with the oldest date and time stamp. If the PDF Writer feature has been used to print, there may be too many PDF files stored on the SD card.

– If the oldest analysis is no longer required, confirm the mes­ sage and proceed with the analysis or Using an SD card reading device, delete some of the PDF files on the SD card. or If available, insert a new SD card.

The sliding tab on the SD card may be in the wrong position or broken.

– Check that the sliding tab is in the "write" position and, if nec­ essary, slide it into the "write" position. or If the sliding tab is broken, replace the SD card.

The SD card may not be inserted properly or broken.

– Check that the SD card is inserted properly. or If the SD card is broken, replace it.

The USB stick may be the wrong type, not inserted properly or broken.

– Check if the USB stick is inserted properly. or Check if the right USB stick is inserted. or If the USB stick is broken, replace it.

88

Troubleshooting

Message text Maximum video runtime reached.

DP90 only!

Explanation and measures The available space on the SD card is almost filled up. The next analysis result produced will possible overwrite the oldest result currently stored. "Oldest result" means the result with the oldest date and time stamp. If the PDF Writer feature has been used to print, there may be too many PDF files stored on the SD card.

– If the oldest analysis is no longer required, confirm the mes­ sage and proceed with the analysis or Using an SD card reading device, delete some of the PDF files on the SD card. or If available, insert a new SD card.

The connected external cell does not match the calibration. This can resolved by one of the following measures:

The adjustment data is invalid. The instru­ ment is blocked. Only methods with a cali­ 1 Connect the external cell that has been used for the current bration substance can be started. instrument adjustment.

2 Re-adjust the instrument using calibration substances and methods.

8.2 Repairs and support The instrument generally requires no regular maintenance or service performed by the METTLER TOLEDO service staff. However, you can keep the instrument running with a bit of care and cleaning as described in the section "General care for your instrument" (page 66).

For warranty service or repair, this product must be returned to a METTLER TOLEDO authorized service facility.

Contact METTLER TOLEDO or an authorized representative before returning this product for repair.

Troubleshooting

89

90

Troubleshooting

9 Technical Specifications DP70 Measurement technology Determination of Determination mode Instrument format Number of samples Cooling capability Programmed cooling Controlled atmosphere / gas purging Performance Temperature range Precision of dropping point detection Heating rate Measurement accuracy -20 °C to 30 °C 30 °C to 200 °C 200 °C to maximum tempera­ ture Temperature display and reso­ lution Cups, number, dimensions (orifice) Single use cups Sample through put (duplicate determination) User interface Display User management Calibration/Adjustment Substance database Max. number of methods Pre-programmed methods Number of stored results Shortcuts (One Click™) Results Length diagram (SP) Number of video recordings stored Replay on the instrument Max run time per video Video export Video / Magnification Result rounding Data management PDF report generation Print options Storage on network device (PC) Data export on SD card

DP90

Dropping point, softening point Visual, with online color video observation during measurement Standalone instrument Control unit with external measuring cell 2 sample positions None External cell can be put in refrigerator / deep freezer No No

RT...400 °C ± 0.3 °C

-20 °C…400 °C

0.1°C to 20 °C per minute – ± 0.2 °C ± 0.5 °C

± 0.4 °C ± 0.2 °C ± 0.5 °C

°C, K / 0.1, °F / 0.2 2, 2.8 mm / 6.35 mm Aluminum, polished Up o 2

5.7” VGA color touch screen Yes With up to 3 calibration substances Up to 100 60 3 calibration/verification methods Last 100 12 per user Yes As much as free space on the external 1 GB SD-card allows Yes, on SD card or PC 60 min on SD card Color AVI / 2.5x Yes (0.1/0.2/0.5/1 °C) Yes Line printer or selected network printer Yes Yes

Technical Specifications

91

Languages Miscellaneous Ambient temperature

DP70 DP90 Chinese, English, French, German, Japanese, Portuguese, Russian, Spanish 10 °C to +35 °C

10 °C to +35 °C (Control unit) -20 °C to +35 °C (Measuring cell)

Relative humidity Dimensions W x L x H in cm Measuring cell Control unit Weight in kg Surroundings

Maximum relative humidity 80% (non-condensing) 19 x 35 x 23 4

13 x 25 x 21 19 x 35 x 15 7

● Indoor use only ● Up to 2000 m above sea level

Overvoltage category Pollution degree Power supply Line Line voltage fluctuations Power Voltage Current Materials

Standards complied with

92

Technical Specifications

II 2 100 VAC to 240 VAC / 50 Hz to 60 Hz Up to ±10% of the nominal voltage 120 W 24 VDC ± 5% 5 ADC DP housing: Crastin® PBT DP cell: Stainless steel Chassis: Stainless steel Protective film (touch screen): PET Dropping point Ph. Eur. 2.2.17 (waxes, paraffin) AOCS Cc 18-80 (edible oils and fats) ASTM D3954 (waxes) IP396 (lubricating grease) (ASTM D566, ASTM D2265, DIN ISO 2176 (lubricating grease)) Softening point ASTM D3104, ASTM D3461 (asphalt, pitch) DIN 51920 (fillers) ASTM D6090 (resins)

10 Standard Deliverables and Options The following deliverables, options and accessories are available for the Dropping Point Systems.

Standard deliverables Description For DP70 Dropping Point System For DP90 Dropping Point System Power supply unit, 120 W Power cable SD card, 1 GB Ethernet cable Operating Instructions Accessories delivered with the instrument DP accessories box (complete) containing: Sample carrier Cups, dropping point (ø 2.8 mm, set 2 pcs.)

Cups, softening point (ø 6.35 mm, set 2 pcs.)

Cup lid (2 pcs.)

Collector glass (6 pcs.)

Steel ball (2 pcs.), ø 8.731 mm, 2.75 ± 0.02 g Sample preparation tool Spatula Tamping rod Rod Sample carrier stand Calibration standard Benzoic acid (5 g) Test substance "Grease"

Order number 51143000 51143002 51192015 X 51192017 51710946 51143740 51143035

51143031

51143245 00018719 51192236 00018720 51143737 00018555 30024217

X = country-specific Accessories Description DP accessories box (empty) Cups, dropping point (ø 2.8 mm, set 5 pcs.)

Cups, softening point (ø 6.35 mm, set 7 pcs.)

Order Number 51143739 00018732 00018127

According to ASTM-D3461-76 Collector glass (100 pcs.)

Sample carrier stand Steel ball, ø 8.731 mm, 2.75 ± 0.02 g

51143030 51143035 51191672

Note: Minimum order 10 pcs.

Calibration standard Benzoic acid (5 g) Calibration standard Benzophenone (5 g) Calibration standard Potassium nitrate (5 g)

00018555 00018870 51143095

Note: Dangerous goods; special shipping conditions Calibration standard Vanillin (5 g)

51143093

Hardware options Description USB-P25/01 Compact Printer USB Keyboard SD Card Reader

Order Number 11124301 51192111 51192069

Standard Deliverables and Options

93

Description Recommended Bar Code Reader I: Gryphon I GD 4100 with

Order Number 21901297

USB Cable 412

21901309

Recommended Bar Code Reader II: Gryphon I GM 4100 Cordless with

21901299

BC4030-Base/Charger M

21901300

USB Cable 412

21901309

Power Supply 12V EU

21901373

Power Cord EU

71209965

Note: Please retain the original box and packaging material.

94

Standard Deliverables and Options

11Â Index A accessories parts account policies defining password protection adjustment adjustment interval adjustment parameters monitor adjustment of temperature sensor Offset A regular intervals reminder Slope B temperature adjustment temperature sensor adjustment parameters manual input select results adjustment values report analysis interruption analysis comment report asphalt SP substances assembling the sample carrier auxiliary lines running an analysis

93 54 55 66 65 66 65 64, 65 62 66 64, 65 65 65

32 41 33 13 35 43

16 79 51 13

C calibration calibration method calibration substance calibration substance parameters specified tolerance limits calibration result calibration substance calibration delete cleaning housing comment in manual method comments

34

data storage date and time define keyboard layout 123 ABC delete calibration substance data on SD card method DP substances fats low molecular weight natural resins lubricating greases paraffins waxes DP70 instrument overview DP90 control unit eliminating condensation instrument overview measuring cell dropping point end temperature heating rate measurement parameters sample cups start temperature stop at event during analysis

53 52

71 57 16 18 35

36 50 21 22 32

D 63 63

B back of instrument connections barcode reader beep bitumen SP substances

method comment in report condensation furnace confirm end of analysis connections back of instrument control panel layout convert a manual method to a regular method cooled samples sample preparation creating a manual method manual tasks creating shortcuts manual methods methods cup comments report

61 61, 61 62 61 65 64 61 62 67 34

52 52 62 80 33 13 13 13 13 13 14 15 71 15 15 37 37 37 37 37 41

E eliminating condensation DP90 emergency stop (reset) end behavior

71 18 29

Index

95

in manual method termination end behavior of measuring cell end of analysis, confirming end of report end temperature dropping point softening point Evaluation dialog parameters evaluation parameters exclude cups statistics expiration date number of days before expiration of adjustment

34 32, 34 32, 34 57 53 31, 32, 34 37 37

Info key installation line voltage installation DP70 work area installation DP90 work area installation instructions deliverables overview starting up and shutting down the instrument transporting the instru足 ment work area instrument off on instrument identification instrument overview DP70 DP90 instrument settings Setup dialog intensity curve scanning intensity diagram viewing IP address dynamic static isothermal segment

31-32 29 45 66 66

F fats DP substances fatty consistency sample preparation FCC Rules and the Radio Inter足 ference Relation firmware virsion furnace condensation maintenance furnace power off

13 36 11 8 71 70 32

G global settings system user management

52 53

language, setting length curve viewing length curves report length diagram report line voltage installation literature value of melting point locking instrument low molecular weight natural resins DP substances lubricating greases DP substances

53 31, 34 37 37 18 19 19 19 19 19 19 13

ID (of a method) identification, instrument images report import/export, data

Index

25 25 25 25 26 28 25 27 26 52 14 15 49 46 41 74, 77 74, 77 31, 34 51 46 33 33 26 65 55

13 13

M

I

96

26

L

H header and footer heating rate dropping point softening point Home key Home screen furnace monitor area manual operations Methods Results Setup shortcuts area hot melts SP substances

18

29 52 33 71

maintenance DP instrument furnace housing and control pan足 el lid markings

66 70 68 67

Manual input adjustment parameters manual methods creating shortcuts general information manual tasks creating manual method setting the furnace tem足 perature switching the furnace power off viewing the inside of the furnace manual temperature determina足 tion measurement parameters dropping point softening point measuring cell design method creating manual method method ID temperature segments template method method comments report methods creating shortcuts general information monitor adjustment

P 63 21 23 50 50 50 50 42

37 37 17 29 23, 33 29 30-31 29 32 22 23 65

N network connection IP address network storage user rights New adjustment parameters dia足 log Offset A Slope B nominal value of melting point numbers entering numerical results report

77 77 81 81 65 65 65 65 20 33

O Offset A New adjustment parame足 ters dialog On/Off key operation mode operational safety outliers, excluding from results

paraffins DP substances parts accessories pitch sample preparation SP substances pre-melted samples sample preparation preparing liquids sample preparation tool preparing powders sample preparation tool preparing the samples safety information printers network printer PDF Writer protocols test page types USB Compact Printer printing report printing possibilities printout types protective clothing safety information

65 18 33, 34 10 45

13 93 37 13 36 39 39 35 74, 76 74 75 77 73 74 32 59 9

R remove temperature report adjustment values analysis comment cup comments define printout in manual method images length curves length diagram method comments numerical results printing statistics temperature program Report dialog report end report template Reset key reset to factory settings resource information results include in the report print report running an analysis auxilliary lines

32 32 33 32 34 33 33 33 32 33 32 33 32 32 53 29 18 72 50 44 44 43 43

Index

97

continuous information updates deleting results existing method interruption length curve manual temperature determination statistics video viewing results

New adjustment parame足 ters dialog softening point end temperature heating rate measurement parameters sample cups start temperature stop at event during analysis sorting lists SP substances asphalt bitumen hot melts pitch tar standard operating procedure start temperature dropping point softening point start up instrument user password starting an analysis shortcuts statistics exclude cups report stop at event termination stop at event during analysis dropping point softening point support repairs supported devices barcode reader keyboard keyboard and mouse line printer mouse network printer network settings network storage PDF writer peripheral devices SD card USB hub USB memory stick USB SD card reader VNC switching the furnace power off manual tasks system information system settings

47 40 41 46 42 46 46 44

S safety warnings safety information instrument-specific personal protection protective clothing staff safety sample cups dropping point softening point sample preparation cooled samples dropping point fatty consistency pitch pre-melted samples sample preparation tool preparing liquids preparing powders screen, setting SD card SD card reader Accessories Select results adjustment parameters service & maintenance data import/export reset to factory settings Update service life set the furnace temperature manual tasks setup adjustment calibration substances global settings hardware maintenance & service user settings Setup dialog instrument settings shortcut parameters shortcuts shut down instrument Slope B

98

Index

9 9 9 10 9 9 37 38 36 36 36 37 36 39 39 51 80 80 63 71 72 73 57 50 49 49 49 49 49 49 49 22 21, 21 27

T tar

65

37 37 37 38 37 41 20 13 13 13 13 13 62 30, 32, 34 37 37 26 26 41 45 33 34 32 41 41 89 73 80 73 73 80 73 73 73 73 73 73 73 73 73 73 50 49 52

SP substances temperature end temperature start temperature temperature program report temperature segments method temperature sensor reminder for expiration date termination end behavior stop at event text entering tolerance limits touch screen operation

13 31, 34 30, 34 29 32 30-31 65 57

32, 34 32 20 61 18

U updating user groups functions user interface buttons input boxes navigation bar scroll bar title bar user management account policies user groups user rights network storage user settings keyboards language screen users user groups

73 56 19 19 20 19 19 19 53, 54 53 81 52 51 51 56

V video view statistics viewing the inside of the furnace manual tasks

41, 46 44 50

W waiting time warranty service waxes DP substances work area condensation installation DP70 installation DP90

30, 34 89 13 26 25 25

Index

99

www.mt.com/ta For more information

Mettler-Toledo AG, Analytical CH-8603 Schwerzenbach, Switzerland Tel. +41 (0)44 806 77 11 Fax +41 (0)44 806 73 50 www.mt.com Subject to technical changes. Š Mettler-Toledo AG 10/2011 51710946 2.12

*51710946*