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Hysteresis Graph Test System

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DX-2012H DC Hysteresis Graph Test System

MATS-2010H DC Hysteresis Graph Test SystemAutomatic measurement of the demagnetization curve of permanent magnetic material such as ferrite, AlNiCo, NdFeB, SmCo, etc. Accurate measurement of the magnetic characteristic parameters of remanence Br, coercive force HcB, intrinsic coercive force HcJ and maximum magnetic energy product (BH)max.

Windows measurement software applied simply. The product conforms to China National Standards GB/T 3217-92, GB 11209-89 and international standard IEC 404-5.

Adopt ATS structure, users can customize different configuration as required: According to the intrinsic and size of measured sample  to decide the electromagnetic size and corresponding testing power supply; Select different measuring coil and probe according to the option of measuring method. Decide to whether choosing fixture in accordance with sample shape. Decide to whether selecting heating installation or not according to the test requirement.

General Features of DC Hysteresis Graph (DX-2012H)

  1. Automatic measurement on saturation hysteresis loop and magnetic characteristic parameters of generally permanent-magnet material such as Ferrite, Rubber & Plastic Magnet and AlNiCo, etc.: Js, Br, HcB, HcJ, (BH)max and µrec.
  2. Automatic measurement on demagnetization curve and magnetic characteristic parameters of rare earth permanent-magnet materials such as NdFeB and SmCo, etc. at the second quadrant: Br, HcB, HcJ, Hk(H90) and (BH)max.
  3. Test sample shapes: circular ring, round cake, square, tile and other irregular shapes.
  4. Adopt B coil + fluxmeter to measure magnetic induction, zero shift of integrator can be self-corrected through software.
  5. Adopt J coil + fluxmeter to measure magnetical polarization, remnant coil area of J coil can be automatically compensated through software.
  6. Magnetic field intensity can be measured with Hall magnetometer, nonlinear error of hall probe can be corrected through software, within 0 ~ 2.4T range, nonlinear error can be controlled within±0.2%.
  7. Adopt H coil + fluxmeter to measure magnetic field intensity, Hall magnetometer only used to indicate zero point of magnetic field so as to thoroughly eliminate nonlinear error of hall probe.
  8. Optimal range of field voltage, fluxmeter and magnetometer can be automatically set up.
  9. Magnetization, testing and demagnetization of general permanent magnetic sample completed at one time, time set up 20 seconds ~ 60 seconds.
  10. Rare earth permanent magnetic samples need saturation magnetizing before testing, testing time 60 seconds ~ 120 seconds.
  11. The sample after tested is in demagnetization or magnetizing status, freely selected by users.
  12. Select heating head and temperature controller to detect magnetic characteristics of Ferrite, AlNiCo and rare earth material under high temperature (maximal 220°C).
  13. Select shoe jig for direct measurement on magnetic shoe.

Software Features of DC Hysteresis Graph (DX-2012H)

Operate under Windows 95 / 98, Windows 2000 / XP operating systems, Chinese/ English or pure English interface optional, conform to Windows software specification, visual and simple operation.

Full automatic control, intelligent identification, minimize manual operation.

Sampling waveform and instrument status under real-time monitoring, and can be stopped at any time.

Automatic completion of data calculation, and temperature conversion of test result.

File system adopts database format, can directly print or output test result to Excel form.

Powerful file management functions: data saving, deletionb and removal.

Data files contain complete sampled data, sample parameters, instrument parameters and testing schemes, adopt text format, can be conveniently typed into other software.

Display magnetic energy-product curves such as B( H) and J( H) magnetic hysteresis cycle or demagnetization curve and B (BH) magnetic energy-product curve, etc. and display coordinate message at every data point on curve.

Simultaneous display of multiple test data curve diagrams, for example: demagnetization curve or magnetic hysteresis cycle of same sample under different temperatures, demagnetization curve or magnetic hysteresis cycle of different samples, etc.

Support various models of printers, test report accurately match printer sheet.

Print preview function, can conveniently regulate the size and edge distance of test report.

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. To facilitate adding user mark and enterprise name.

Software Screen of DC Hysteresis Graph (DX-2012H)

hysteresis tester

Technical Data of DC Hysteresis Graph (DX-2012H)

System Specifications

Test AlNiCo standard sample, measuring error on entire magnetic hysteresis cycle estimated: B: 1%, H: 1%

Parameters measured Br(%) HcB(%) HcJ (%) (BH)max(%)
Uncertainty (k=2) 1 1 1 2
Repeatability (constant temperature) ± 0.3 ± 0.3 ± 0.3 ±1

Instrument Specifications

TPS-2000H Test Power Supply DCT150 Electromagnet
Output Voltage: 0 ~±100V
Output Current:±20A (maximum value)
Stability: superior to 0.05%
Stability: superior to 0.05%
Head Diameter: 150mm shrink to 80mm
Head Spacing: 0 ~ 50mm (continual adjustable)
Maximal Magnetic Field: 2.4T (head spacing 10mm, coil current 30A)
DX-210B Fluxmeter DCT200 Electromagnet
Range: 2.5, 5, 10, 20mWb
Full Range Precision: 0.5%
Zero Shift: 2µWb /30 seconds (2.5mWb)
Head Diameter: 200mm shrink to 120mm
Head Spacing: 0 ~ 50mm (continual adjustable)
Maximal Magnetic Field: 2.4T (head spacing 10mm, coil current 40A)
DX-210H Magnetometer DCT250 Electromagnet
Range: 0.5, 1, 1.5, 3T
Full Range Precision: 0.5%
Non-Linearity:±0.2% (software correction)
Head Diameter: 250mm shrink to 150mm
Head Spacing: 0 ~ 50mm (continual adjustable)
Maximal Magnetic Field: 2.7T (head spacing 10mm, coil current 80A)
DCT130 Electromagnet PC6616 A/D D/A card
Head Diameter: 130mm
Head Spacing: 0 ~ 50mm (continual adjustable)
Maximal Magnetic Field: 1.5T (head spacing 10mm, coil current 20A)
A/D Conversion: 16 bits,16 channels
Conversion Time: < 10µs
Conversion Accuracy: 0.02% (full range)
D/A Conversion: 12 bits, 2 channels
Conversion Accuracy: 0.1% (full range)

Product Family of DC Hysteresis Graph (DX-2012H)

Standard Equipment

Serial No. Product Model DX-2012H130 DX-2012H150 DX-2012H200 DX-2012H250
1 Electromagnet Model DCT130 DCT150 DCT200 DCT250
2 Test Power Supply 2kW 3kW 4kW 8kW
3 Fluxmeter Configuration One DX-210B Two DX-210B
4 Magnetometer DX-210H
5 Data Acquisition Card PC6616
6 Measurement Software HMTest partial functions HMTest all functions
7 Computer andPrinter Lenovo computer & HP laser printer
8 Standard Specimen One AlNiCo standard sample
9 Fixed Coil One B coil One J coil J coil + H coil J coil + H coil
10 Test Specimen Category AlNiCo
11 Specimen Size
(with round sample as an example)
Diameter 3 ~ 100mm
Thickness 3 ~ 50mm
< 130 - 1.2H
General permanent magnetic:
3 ~ 60mm
H3 ~ 50mm
Rare earth permanent magnetic:
5 ~ 20mm
H5 ~ 15mm

General permanent magnetic:
3 ~ 90mm
H3 ~ 50mm
Rare earth permanent magnetic:
5 ~ 30mm
H5 ~ 20mm

General permanent magnetic:
3 ~ 120mm
H3 ~ 50mm
Rare earth permanent magnetic:
5 ~ 50mm
H5 ~ 30mm


Serial No. Options Name Functional Description Remark
1 B Coil Direct measurement on sample magnetic induction density, winding unnecessary Customized, adaptable to the measurement of general permanent-magnet material
2 J Coil Direct measurement on sample magnetical polarization, winding unnecessary Customized, adaptable to the measurement of all permanent-magnet materials
3 Common Head Work with electromagnet to generate uniform magnetic field DCT130 standard configuration, other models optional
4 Horn Head Generate larger uniform magnetic field All models of electromagnet optional
5 Shrinkage Head Applies to improve maximal magnetic field of electromagnet DCT130 optional, other models with standard configuration
6 Iron Cobalt Head Can improve maximal magnetic field for about 0.3T Only DCT200 and DCT250 optional
7 Heat Head Applies to measure high temperature property of permanent-magnet material All models of electromagnet optional
8 TCS-200 Temperature Controller Applies to control temperature of heat head, control range: 50 ~ 250°C Optional, can match with various heat heads
9 Tile Jig Applies to measure magnetic shoe Optional parts, customize according to magnetic shoe size, to match electromagnet with corresponding size

Correlative Services of DC Hysteresis Graph (DX-2012H) :

Reference Hysteresis Graphs