Industrial Temperature Calibration Selection Guide
Dear Fluke Customer: Hart Scientific, the world leader in temperature calibration, is proud to announce that a selection of Hart products for process control applications is now available through your Fluke Industrial Distributor. Inside this catalog you'll find powerful handheld reference thermometers, as well as a variety of heat sources for calibrating all types of thermometers. Contact your Fluke Industrial Distributor for more information on these exciting products. Hart manufactures a complete line of baths, dry-wells, and reference thermometers for calibration laboratories. For more information on Hart products contact Fluke at: United States: 1-800-44-FLUKE International: 1-425-446-5500
Web: www.fluke.com/hartscientific
Tom Fisher Vice President of Marketing Hart Scientific
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Rick Pirret Process Tools Business Unit Manager Fluke Corporation
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What's Inside
Handheld Thermometers, page 4
Infrared Calibrator, page 12
For use as a reference standard or for precision data-logging applications, the models 1521 and 1522 are ideal instruments for any process calibration shop. Readout precision to ±0.005°C is attainable without programming or complex menus. Rugged reference PRTs are available, fully calibrated, and ready for installation.
If you use IR devices, you know they need to be calibrated regularly. Point all your pyrometers at the 9132’s blackbody target and check their accuracy to 500°C. You won’t find a unit this portable with such high-level performance. Industrial Dual-Block Calibrator, page 10
Handheld Dry-Well, –10°C, page 8
The smallest cold dry-well made is here. The 9102 reaches –10°C in less than 20 minutes and provides a very stable temperature environment for calibration below zero. With RS-232, the 9102 can automate your calibration work. Take this gem anywhere you need to!
We’ve combined a hot and a cold dry-well into one rugged unit. The 9009 is the perfect calibration solution for any process calibration shop that needs flexibility and a wide temperature range in one unit. It has a combined range from –15°C to 350°C and removable inserts to size the well to Handheld Dry-Well, 375°C, page 8 any temperature probe. Calibrate The handheld dry-well was invented transmitters quickly and efficiently by Hart. The 9100 is the smallest using both wells for zero and span dry-well with the power needed for adjustments. today’s process environments. It heats to 375°C in about 10 minutes with RS-232 interface and full micro-processor functionality. It only weighs one kilogram (two pounds, three ounces).
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Precision Handheld Thermometers
Hart HT1521 and HT1522 Handheld Thermometers For the highest precision available in a battery-powered, handheld thermometer, trust Hart Scientific’s 1521 or 1522 to make your measurements. Featuring measurement accuracy to ±0.005°C, these readouts accept inputs from RTDs (including Pt100) or thermistors. With Hart’s INFO-CON connector (partially based on U.S. patent 5,857,777), there’s no need to program probe coefficients into the meter before taking readings. All data is stored in the INFO-CON and conveniently downloaded when connected to the 1521, making all types of probe assemblies interchangeable. The 1522 is not only a precision thermometer, but also a datalogger. Set the log interval and storage location on the multi-line display and log up to 10,000 readings on-board. Download logged data via RS-232 or IrDA with Hart’s 9934 LogWare software. When you absolutely need the best temperature readout, trust the Hart name.
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•
Reads RTDs to ±0.025°C and thermistors to ±0.005°C
•
INFO-CON eliminates probe coefficient programming
•
Model 1522 logs up to 10,000 readings on-board
• •
RS-232 and IrDA are standard System accuracy better than ±0.05°C with calibrated RTD
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Specifications Sensor Type
Pt 25 to Pt 100
Thermistor
Temperature Range
–200°C to 962°C
–50°C to 150°C
Resistance Range
0Ω to 400Ω
0Ω to 500 KΩ
Characterizations
ITS-90, IEC-751 (DIN “385”), Callendar-Van Dusen
Steinhart-Hart thermistor polynomial, YSI 400 (2252 ohms)
–200°C to 100°C: ±0.025°C 100°C to 400°C: ±0.05°C 400°C to 800°C: ±0.1°C
0°C to 50°C: ±0.005°C 50°C to 75°C: ±0.01°C 75°C to 100°C: ±0.02°C
0.5 mA
5 µA
Temperature Accuracy (meter only) Excitation Current Operating Range
0°C to 40°C
Temperature Resolution
0.001°
Measurement Period
1 second
Probe Connection
INFO-CON Connector
Communications
RS-232 (HT1522-UV also includes infrared interface)
Memory
Stores 6 readings in “Hold” mode HT1522 Only — Logs 10,000 readings in “Auto Logging” mode, 100 readings in "Demand Logging" mode
Power
Rechargeable nickel-metal-hydride batteries (AC adapter included)
Size
7.75" H x 4.2" W x 1.5" D (197 x 107 x 38 mm)
Weight
1 lb. (0.4 kg)
Calibration
10-point, NIST-traceable resistance calibration provided
Ordering Information HT1521-126 Thermometer, Handheld, 1 Channel, 110 V
IN FO
Stores (in a memory chip) the characterization constants for your RTD or thermistor so there’s no need to enter them manually or download them from a PC.
-C ON
Tells your 1521/1522 the serial number and recall date of the attached probe so you never have to worry about using a probe that is overdue for Tells your 1521/1522 whether it’s connected to an RTD or thermistor. No need to tell your readout what to do.
Allows you to change probes easily. Simply plug in the new probe and the 1521/1522 is “married” to it with all the relevant data.
HT1521-256 Thermometer, Handheld, 1 Channel, 220 V HT1522-126 Thermometer, Handheld, 1 Channel Data Logger, 110 V HT1522-256 Thermometer, Handheld, 1 Channel Data Logger, 220 V HT9934-S
Software, LogWare 1-channel, Single User
HT9934-M
Software, LogWare 1-channel, Multi User
HT2372
Adapter, INFO-CON Download
HT2374
Adapter, Infrared Communications
HT9318
Case, 1521/1522 & Probe Carrying
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Probes
Each probe includes:
• • • •
Individual report of calibration Probe linearization coefficients Programmed INFO-CON connector Resistance vs. temperature table HT56129I, HT56136I, and HT561412I Probes, Secondary PRT
Stainless Steel Strain Relief
Fully Supported Sensing Element Enclosed in Ultrahigh-Purity Ceramic
Glass Hermetic Seal
xxxxx Identification and Serial Number Location
HT562712I Probe, RTD Industrial
Stainless Steel Strain Relief
316 SST Transition Fitting 316 SST Sheath (6", 9", or 12" length x 1/4" or 3/16" diameter) xxxxx Identification and Serial Number Location
HT56109I Probe, Thermistor .125" dia. (3.2 mm)
.250" dia. (6.35 mm)
9"
2" Typ.
1.5" Typ.
HT5611TI Probe, Bare Thermistor, Teflon .110" Dia. (2.8 mm)
Dual Wall Heat-Shrink Tubing: Inner - FEP Teflon Outer - TFE Teflon
4-Wire Cable, 30 AGW 25/44 Stranding Braided Shield with FEP Teflon Insulation
1.10" Min.
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HT56189I Probe, Secondary PRT
Stainless Steel Strain Relief
316 SST Transition Fitting
316 SST Sheath (1/8" dia. x 9" length)
xxxxx Identification and Serial Number Location
HT562205I Probe, Fast Response
316 SST Transition Fitting
316 SST Sheath (0.5 mm dia. x 100 mm length)
xxxxx Identification and Serial Number Location
Ordering Information Range
Size
Cal Uncertainty and Short-term Stability
Typical Drift (1 year)
Probe, Secondary PRT, 100 ohm
–200 to 420°C
1/4” x 12” (6.35 x 305 mm)
±0.018°C at 0°C
±0.01°C
HT56136I
Probe, Secondary PRT, 100 ohm
–200 to 300°C
3/16” x 6” (4.76 x 152 mm)
±0.018°C at 0°C
±0.01°C
HT56129I
Probe, Secondary PRT, 100 ohm
–200 to 420°C
3/16” x 9” (4.76 x 229 mm)
±0.018°C at 0°C
±0.01°C
HT56276I
Probe, RTD Industrial, 100 ohm
–200 to 300°C
3/16” x 6” (4.76 x 152 mm)
±0.050°C at 0°C
±0.13°C
HT56279I
Probe, RTD Industrial, 100 ohm
–200 to 420°C
3/16” x 9” (4.76 x 229 mm)
±0.050°C at 0°C
±0.13°C
HT562712I
Probe, RTD Industrial, 100 ohm
–200 to 420°C
1/4” x 12” (6.35 x 305 mm)
±0.050°C at 0°C
±0.13°C
HT56109I
Probe, Thermistor, Stainless
0 to 110°C
1/8” x 9” (3.2 x 229 mm)
±0.02°C
±0.01°C
HT5611TI
Probe, Bare Thermistor, Teflon
0 to 110°C
0.11” x 1.1” (2.8 x 28 mm)
±0.02°C
±0.01°C
HT56189I
Probe, Secondary PRT, 100 ohm
–200 to 500°C
1/8" x 9" (3.2 x 229 mm)
±0.015°C at 0°C
±0.01°C
HT562205I
Probe, Fast Response
–200 to 350°C
0.5 x 100 mm
±0.015°C at 0°C
±0.15°C
Model
Type
HT561412I
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Handheld Dry-Wells
Hart HT9100 and HT9102 Handheld Dry-Well Temperature Calibrators Hart’s line of portable dry-wells is incredible. They’re the smallest, lightest, and most portable dry-wells in the world. The Model 9100 weighs only 2 pounds, 3 ounces (1 kilogram).
• • •
Cover temperature ranges from –10°C to 375°C
•
Includes RS-232 interface with instrument control software
Stability during calibrations to ±0.05°C Fast and easy calibrations of RTDs and thermocouples
Ordering Information HT9100S-A-156 Dry-Well, 110V 50/60Hz Handheld Block A HT9100S-A-256 Dry-Well, 220V 50/60Hz Handheld Block A HT9100S-D-156 Dry-Well, 110V 50/60Hz Handheld Block D HT9100S-D-256 Dry-Well, 220V 50/60Hz Handheld Block D
HT9102 Calibration Wells
Removable insert sleeves ½" (12.7 mm) O.D. x 4" (102 mm) deep
HT9102 includes 1/4" and 3/16" inserts. Order additional sizes as needed.
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HT9300
Case, 9100 Rugged Carrying
HT9102S-156
Dry-Well, 110V 50/60Hz, –10 to 122 (2 Wells)
HT9102S-256
Dry-Well, 220V 50/60Hz, –10 to 122 (2 Wells)
HT9312
Battery Pack, 9102
HT3102-1
Insert, AL 1/16" (1.6 mm)
HT3102-2
Insert, AL 1/8" (3.2 mm)
HT3102-3
Insert, AL 3/16" (4.8 mm)
HT3102-4
Insert, AL 1/4" (6.4 mm)
HT3102-6
Insert, 3/8" (9.5 mm)
HT9308
Case, Hard Carrying, 9102/9132
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Specifications Range
HT9100
HT9102
35°C to 375°C (95°F to 707°F)
–10°C to 122°C (14°F to 252°F) at 23°C ambient
Accuracy
±0.5°C
Stability
±0.1°C at 100°C ±0.3°C at 375°C
Well-to-Well Uniformity
±0.05°C at 0°C ±0.1°C at 122°C
±0.2°C with sensors of similar size at equal depths within wells
Heating Times
35° to 375°C: 9.5 minutes
ambient to 100°C: 10 minutes
Stabilization
5 minutes
7 minutes
Cooling Times
375°C to 100°C: 14 minutes
ambient to 0°C: 10 minutes
4 inches (102 mm); 1/16" (1.6 mm) hole is 3.5" (89 mm) deep
4 inches (102 mm)
N/A
Available in sizes from 1/16" (1.6 mm) to 3/8" (9.5 mm) [1/4" (6.4 mm) and 3/16" (4.8 mm) included]
Well Depth Removable Inserts Computer Interface Power
RS-232 included with free Interface-it software 115 VAC (±10%), 1.5 A or 230 VAC (±10%), 0.8 A, specify, 50/60 Hz, 175 W
94-234 VAC (±10%), 50/60 Hz, 60 W; or 12 VDC
2.25" H x 4.9" W x 5.9" D (57 x 125 x 150 mm)
3.9" H x 5.5" W x 6.9" D (99 x 140 x 175 mm)
2 lb. 3 oz. (1 kg)
4 lb. (1.8 kg)
Data at 50°C, 100°C, 150°C, 200°C, 250°C, 300°C, and 350°C
Data at –10°C, 25°C, 50°C, 55°C, 100°C, and 122°C
Size Weight NIST-Traceable Calibration
HT9100 Fixed-Block Options Block “A” 1/4" (6.4 mm) 1/8" (3.2 mm)
Block “D” 3 mm
4 mm
5/32" (4 mm) 6 mm 6 mm
3/16" (4.8 mm)
3/16" (4.8 mm) 1/16" (1.6 mm)
4 mm
3 mm
Order number HT9100S-A or HT9100S-D for the desired block option.
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Industrial Dual-Block Calibrator
There’s enough storage room inside the lid to keep your power cord and extra inserts. Everything you need fits right in the case.
In addition to the inserts that go into the four wells, four more may be stored here on the side.
The hot block provides stable temperatures from 35°C to 350°C, with maximum temperature achieved in under 10 minutes. Calibrate two sensors at once or use one well for a reference thermometer.
A Hart-designed temperature controller provides stabilities as low as ±0.05°C and calibrated accuracy to ±0.2°C. With two displays and two sets of control buttons, each block may be used independently. Each block comes with its own NIST-traceable calibration certificate.
The cold block runs in normal room temperatures from –15°C to 110°C. Each well is four inches deep and can accommodate inserts for probes from 1/16" to 3/8" in diameter.
Hart HT9009 Industrial Dual-Block Calibrator Hart’s new 9009 Industrial Dual-Block Calibrator lets you calibrate temperature probes from –15°C to 350°C. Each temperature well is independently controlled, so while you’re checking your transmitter sensor at one temperature, the other block can be heating or cooling to your next set-point.
An O-ring seal keeps your dual-block calibrator sealed from moisture and protected during transit.
• • • • •
Hot block range from 35°C to 350°C Cold block range from –15°C to 110°C Two dry-blocks in one convenient package Rugged, lightweight, watertight enclosure Stability of ±0.05°C for full range
Everything you need to calibrate thermometers is self-contained in a rugged, watertight case including four removable inserts, power cord, and removal tool. It’s portable, covers a wide range, and—best of all—it’s made by Hart Scientific, the world leader in temperature calibration.
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Specifications Range Accuracy
Hot Block
Cold Block
35°C to 350°C (95°F to 662°F)
–15°C to 110°C (5°F to 230°F) in 23°C ambient (–8°C with hot block at 350°C)
±0.6°C
±0.2°C
Stability
±0.05°C
Well-to-Well Uniformity
±0.1°C
Display Resolution
0.1°
Heating Time
10 minutes from 25°C to 350°C
15 minutes from 25°C to 110°C
Cooling Time
30 minutes from 350°C to 100°C
16 minutes from 25°C to –15°C
Stabilization Time
8 minutes
Well Depth Removable Inserts
4 inches (101.6 mm) Two 1/4” (6.4 mm) and two 3/16” (4.8 mm) inserts included; see Ordering Information for other available inserts
Power
115 VAC (±10%), 50/60 Hz; 230 VAC (±10%), 50/60 Hz; specify
Size
7” H x 10.5” W x 9.75” D (178 x 267 x 248 mm)
Weight Certification
10 lb. (4.5 kg) Includes 7-point, NIST-traceable certificate of calibration with data at the following points: 50°C, 100°C, 150°C, 200°C, 250°C, 300°C, and 350°C
Includes 7-point, NIST-traceable certificate of calibration with data at the following points: –10°C, 0°C, 25°C, 50°C, 55°C, 100°C, and 122°C
HT9009 Calibration Wells
Ordering Information Removable insert sleeves ½" (12.7 mm) O.D. x 4" (102 mm) deep
HT9009 includes a 1/4" and a 3/16" insert for each block. Order additional sizes as needed.
HT9009-B-156 Dry-Well, 110V 50/60Hz Industrial Dual-Block HT9009-B-256 Dry-Well, 220V 50/60Hz Industrial Dual-Block HT3102-1
Insert, AL 1/16” (1.6 mm)
HT3102-2
Insert, AL 1/8” (3.2 mm)
HT3102-3
Insert, AL 3/16” (4.8 mm)
HT3102-4
Insert, AL 1/4” (6.4 mm)
HT3102-6
Insert, AL 3/8” (9.5 mm)
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Infrared Calibrator
Hart HT9132 Infrared Calibrator
•
Certifies in-line or gun type IR devices to 500°C
• • •
Large 2.25" (57 mm) blackbody target Factory calibrated to ±0.4°C Small and compact, weighs about 4 lbs. (1.8 kg)
Emissivity of Common Materials Material
Temp (°C)
Emissivity†
Aluminum (polished plate 98.3% pure)
227°C
0.04
Brass (hard rolled - polished )
21°C
0.04
Concrete
-
0.94
Copper (polished)
21-117°C
0.02
With a large 2.25" (57 mm) target, simply “point and shoot” to check your IR guns. For higher precision, a well is located directly behind the blackbody surface for contact calibration of the blackbody using a calibrated PRT and readout.
Formica
27°C
0.94
Glass (smooth)
22°C
0.94
Gold (pure-highly polished)
227°C
0.02
Ice
0°C
0.97
No other IR calibrator offers this performance in a compact package.
Rolled sheet steel
21°C
0.66
Lead (pure 99.9% - unoxidized)
127°C
0.06
Nickel wire
187°C
0.1
Plywood
19°C
0.96
Tin (bright tinned iron sheet)
25°C
0.04
Water
-
0.95
Wood (freshly planed)
-
0.9
Zinc galvanized sheet iron (bright)
28°C
0.23
Hart’s new blackbody target offers precision when you need it for infrared temperature calibration. Whether you’re using in-line or handheld pyrometers, the 9132 Portable IR Calibrator can handle your workload to 500°C.
†
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These values are approximations only
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Specifications Temperature Range
50°C to 500°C (122°F to 932°F)
Accuracy
±0.5°C at 100°C (±0.9°F at 212°F) ±0.8°C at 500°C (±1.4°F at 932°F)
Stability
±0.1°C at 100°C (±0.18°F at 212°F) ±0.3°C at 500°C (±0.54°F at 932°F)
Target Size
2.25" (57 mm)
Target Emmissivity
0.95
Resolution
0.1°
Heating Time
30 minutes to max
Cooling Time
30 minutes (500°C to 100°C)
Computer Interface
RS-232 I/O included with 9930 Interface-it
Power
115 VAC (±10%), 3 A or 230 VAC (±10%), 1.5 A, switchable, 50/60 Hz
Size
4" H x 6" W x 7" D (102 x 152 x 178 mm)
Weight
4 lbs. (1.8 kg)
The model 9132 features a large 2.25" (57 mm) target for calibrating all types of IR thermometers.
Ordering Information HT9132-156 Calibrator, 110V 50/60Hz IR, 50–500°C HT9132-256 Calibrator, 220V 50/60Hz IR, 50–500°C HT9308
Case, Hard Carrying
HT1521-UV Thermometer, Handheld, 1 Channel HT56189I
Probe, Secondary PRT, 9 inch x 1/8 inch O.D.
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Why Calibrate Temperature Devices?
I
n process control environments, temperature plays an important role. Most industrial processes rely on the performance of their RTDs (Pt100), thermocouples, and other temperature devices. As the need for precision measurements arises, so does the need to be absolutely sure that the readings are correct. If you can live with inaccurate measurements, then a discussion about calibration is moot. With physical and thermal stress, temperature devices drift from their original “in-tolerance” state. A regular verification of temperature measurement systems is necessary in orWith developments in dry-well der to maintain a high level technology, precision of confidence in the meatemperature calibration can be surements. Calibrations can performed in the field. be performed using a variety of methods; basic to any temperature calibration are heat sources and reference standards. A temperature heat source can be in the form of a fluid bath or a dry-block calibrator. Traditionally, calibration of temperature assemblies has been confined to laboratories due to the size of the calibration equipment. Calibration baths can be very difficult to move around the lab. With develop-
ments in dry-well technology, precision temperature calibration can be performed successfully in the field. Dry-wells are now made to fit snugly in your hand and precision of ±0.005°C can be achieved for calibration work. Dry-blocks accept a wide variety of sensors and are flexible in fit and form. Automation is now common to dry-wells so many factories are realizing substantial time and cost savings by automating their routine calibration work. Reference standards are also available now in handheld packages. Precision to ±0.005°C is attainable in battery-powered thermometers. This opens many doors to field calibration work that was traditionally available only in the laboratory. Precision secondary level RTDs are also making it possible to achieve previously unheard of uncertainties in the field. If you have a portable temperature application, Hart has a solution.
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How to Select a Dry-Well
I
f you use industrial temperature sensors such as RTDs, thermocouples, or thermistors, then you need a dry-well calibrator that is capable of precision temperature calibration. When selecting the appropriate heat source for your process calibration needs, consider the following:
• • • •
Temperature Range Accuracy Stability Uniformity
Temperature Range The temperature range of the dry-well you select should meet your minimum temperature requirement for the sensor you are calibrating. Cold dry-wells usually have an upper limit of 150°C (or lower) and use solid-state cooling modules that are affected by ambient conditions. If you lower ambient, you can generally achieve lower block temperatures. Some manufacturers, when specifying the low range of a cold unit, offer data under very cold ambient conditions which misrepresent the actual attainable temperature under normal conditions. Be certain that the range from the dry-well doesn’t require earmuffs and gloves for the technician!
Accuracy The accuracy of a dry-well relates to the displayed temperature of the well as compared to a known calibrated reference temperature. Accuracy is dependent upon the controller’s ability to read the control sensor accurately and convert it to temperature. Off-the-shelf controllers are limited in their ability to linearize the control sensor’s input and are therefore limited in their display accuracy.
High performance controllers, like those made by Hart, offer top-end precision for process control applications.
Stability Stability is the temperature fluctuation of the instrument around the desired set-point over time. If the temperature well is not stable while performing calibrations, your results will not be very accurate. Because stability is a key factor in determining overall uncertainty of a dry-well calibrator, it is a specification that should not be overlooked. Probe Stability sets high-quality dry-wells Under apart from the me-too brands. When Test comparing dry-well manufacturers, make certain you select a brand that offers the best stability performance.
External Reference Thermometer Probe
Uniformity Temperature gradients exist in all dry-well units. Axial (vertical) gradients exist as heat escapes into ambient out the top of the well. Radial (horizontal or well-to-well) gradients are pronounced due to uniformity issues with the metal block temperature well. When performing comparison calibrations in a dry-block, select a dry-well that offers a uniformity within your error budget. Some manufacturers don’t offer uniformity as a separate specification. When comparing short stem sensors, immerse both probes at the same depth to minimize any vertical gradient effects (see drawing).
Short-stem sensors should be calibrated by comparison at the same depth when using a block calibrator.
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Why Choose Hart Industrial Products?
Products
Full Product Description
When you select a Hart Scientific temperature calibrator you know it is backed by the world leader in temperature calibration. Hart Scientific industrial calibrators are recognized worldwide for their:
To request a full product description data sheet in Adobe Acrobat format, contact your Fluke sales organizations, or in the U.S. call 1-800-44-FLUKE.
• • • •
•
HT1521 and HT1522 Thermometer Readouts, 1663835
•
HT9100 and HT9102 Dry-Wells, 1663858
•
HT9009 Dual-Block Dry-Well, 1663847
•
HT9132 Infrared Calibrator, 1663820
Outstanding performance and reliability Automation interface solutions High accuracy Precision temperature control
Service and Repair Locations World Wide
•
To contact Fluke or to locate an authorized service center, call one of the following telephone numbers: USA: 1-888-99-FLUKE (1-888-993-5853) Canada: 1-800-36-FLUKE (1-800-363-5853) Europe: +31 402-678-200 Japan: +81-3-3434-0188 Singapore: +65-738-5655 Other countries: +1-425-446-5500
Or visit Fluke's web site at www.fluke.com/hartscientific
Fluke Corporation PO Box 9090, Everett, WA USA 98206
Fluke Europe B.V. PO Box 1186, 5602 BD Eindhoven, The Netherlands For more information call: USA: (800) 443-5853 or Fax (425) 446-5116 Europe/M-East/Africa (31 40) 2 675 200 or Fax (31 40) 2 675 222 Canada (800) 36-FLUKE or Fax (905) 890-6866 Other countries (425) 446-5500 or Fax (425) 446-5116 Web access: www.fluke.com/hartscientific
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©2002 Fluke Corporation. All right reserved. Printed in U.S.A. 2/2002 1663864 C-ENG-N Rev A (Europe 10480-eng)