hysteresis-loop-tracer

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Hysteresis Loop Tracer

An ISO 9001:2208 | ISO 14001:2008 | ISO 13485 WHO:GMP Products | GLP Compliant Products


Hysteresis

Loop Tracer

Automatic measurement on basic magnetization curve

In accordance with measuring principle of ballistic

and magnetic hysteresis loop under static state of soft

method, combine computer control technology, A/D and

magnetic material, accurate measurement on static

D/A, replace conventional ballistic galvanometer with

magnetic characteristic parameters such as initial

electronic integrator, realize analog ballistic method

permeability Âľi, maximum permeability Âľm, saturation

measurement under microcomputer control, can

magnetic induction Bs, remanence Br, coercive Hc and

completely eliminate non-instant error caused by ballistic

hysteresis losses Pu.

galvanometer in classical ballistic method, with high measurement accuracy, fast speed and good repeatability,

Windows measurement software applied simply. It

can eliminate the influence of various artificial factors, and

conforms to National Standards GB 3656-83, GB 3657-

supply reliable basis for research on material

83, GB/T 13012-91, GJB 937-90, industry standard SJ/T

magnetization process.

10281-91 and international standard IEC 60404-4, IEC 404-7.

Testing sample varieties: soft magnetic ferrite, permalloy, amorphous, nano crystal, iron dust core, electrician ferrite and stalloy.

ACMAS TECHNOCRACY PVT. LTD. www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com


Testing sample varieties: soft magnetic ferrite, permalloy, amorphous, nano crystal, iron dust core, electrician ferrite and stalloy.

Operate under Windows 95/98, Windows 2000/XP operating systems, conform to Windows software

Testing sample shapes: toroid, E and U closing

specification, visual and simple operation.

samples, and strip (bar) and chip open samples. •

Closing sample direct winding measurement: sample,

interventions are unnecessary in the whole testing process.

Measure magnetic field intensity through measuring high as 0.1%.

path of samples can be calculated according to the overall dimension of samples. • Automatic detection on sample test condition,

Solenoid or permeameter shall be equipped to

facilitate users to test unknown samples. File system

measure open samples, the inner field can be

adopts database format, can directly print or output

measured by the magnetic potentiometer inside.

test result to Excel form.

Testing method: analog ballistic method and magnetic

deleting, remove all the data etc. • Data files contain complete sampled data, sample

magnetization curve, can accurately measure

parameters, instrument parameters and testing

magnetic characteristic parameters on magnetization

schemes, adopt text format, can be conveniently typed

curve:µI, µm, Bs, value µ of any point.

into other software.

Adopt analog ballistic method and magnetic field

• Display B(H) magnetization curve, B(H) magnetic

sweep to measure saturation hysteresis loop, can

hysteresis loop or µ(H) permeability curve, and can

accurately measure magnetic characteristic

display coordinate information of every data point on

parameters on hysteresis loop: Bs, Br, Hc and Pu.

curve.

method of our company, can greatly improve the accuracy of Hc and Br. Automatic demagnetization function before µi testing, Select to test single parameter with analog ballistic method to save time, the time of every testing point can be set from 0.1 second to 0.9 second. Adopt the B speed feedback, it can automatic regulate the density with the shape of sample magnetic characteristic curve, and curve can also be tested according to the testing point predefined by users. •

• Support various models of printers, test report accurately match printer sheet. • Print preview function, it can conveniently regulate the size and edge distance of test report.

10 Hz AC saturation demagnetization adopted.

• Powerful file management functions: data saving and

Adopt analog ballistic method to measure basic

measure hysteresis loop is an exclusive measuring

time monitoring, and can be stopped at any time.

induction, zero drift of integrator can be self-corrected

Special explanation: analog ballistic method to

Sampling waveform and instrument status under real-

• The effective sectional area and length of magnetic

field sweep. •

Adopt electronic integrator to measure magnetic through software.

Full automatic control, intelligent identification, users'

no-load transformer. magnetizing current, magnetic field lock precision as •

magnetizing coil (N1) and measuring coil (N2) form a

Powerful software functions with minimal technical

• Test report can be directly printed, or generate JPG image file. • JPG image file can be sent directly through E-mail, or saved into disk. • Test reports contain complete curve diagrams, test results, test conditions and sample parameters. • Both Chinese and English format can be adopted to facilitate adding user mark and enterprise name. • Multiple unit systems optional to satisfy the application habits of different users.

requirements for testing staff.

ACMAS TECHNOCRACY PVT. LTD. www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com


Hysteresis

Loop Tracer

System Specifications dopt ballistic method measurement, technical indices as follows:

Parameters measured

Bs (%)

Br (%)

Hc (%)

Pu (%)

µ m (%)

µ i (%)

Uncertainty (k = 2)

1

1

1.5

1

2

5

Repeatability (constant temperature)

± 0.5

± 0.5

± 0.5

± 0.5

±1

±3

When testing hysteresis loop with scanning method, H and B measuring errors can be estimated as:

B: 1% + ½ LSB H: 1% + ½ LSB

ACMAS TECHNOCRACY PVT. LTD. www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com


Instrument Specifications

PC6616 A/D D/A Card

MATS - 2010SD Static Hysteresisgraph • • •

Output Voltage Output Current Current Range

: 0 ~ ±35 V : 0.01 mA ~ 10 A : 1 mA, 2 mA, 5 mA, 10 mA, 20 mA, 50 mA, 100 mA, 200 mA, 500 mA, 1A, 2A, 5A, 10A total 13

• •

Stability Flux Range

automatic ranges : superior to 0.05% : 0.25, 0.5, 1, 2, 5, 10, 20 mWb,

• • • • • •

A / D Conversion: 16 bits, 16 channels Conversion Time: < 10 µs Conversion Accuracy: 0.02% (full range) D/A Conversion: 12 bits, 2 channels Conversion Accuracy: 0.1% (full range) Bus Structure: PCI busbar

total seven automatic ranges •

Sensitivity

: 0.05 µWb (ballistic method) 0.1 µWb (magnetic field sweep)

ACMAS TECHNOCRACY PVT. LTD. www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com


www.measuring-meters.com | www.acmasindia.com | www.scientificlaboratoryequipments.com

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