Soft Magnetic Materials DC Measuring Equipment

Applicable Standards of DX-2012SD hysteresis curves test system

◆ GB/T 13012-2008 Measurement method of DC magnetic properties of soft magnetic materials
◆ GJB 937-90 weak magnetic material permeability Measurement method
◆ GJB 937-90 weak magnetic material permeability Measurement method
◆ SJ/T 10281-91 Magnetic parts effective parameters Calculation
◆ IEC 60404-4 DC magnetic properties of soft magnetic materials Measurement method
◆ IEC 404-7 open circuit magnetic material coercivity Measurement method

Hardware Features of DX-2012SD hysteresis curves test system

◆ Automatically complete the demagnetization of closed-circuit samples, the demagnetization method is AC low-frequency demagnetization, with a frequency not higher than 10Hz, to ensure the repeatability of the initial permeability of the metallic soft magnetic material;

◆ Using the impact method to test the basic Magnetization curve and permeability curve;

◆ Use the impact method to test the static hysteresis of soft magnetic materials Return line and related parameters;

◆ Allows the use of scanning method in the open solenoid and love Used in Perstein square circle;

Software Features of DX-2012SD hysteresis curves test system

◆ Automatically complete the data calculation and automatically correct the span coefficient. The system supports mainstream operating systems such as WinXP/NT/7/8.

◆ Show I(t), B(t) samples Waveform and B(H) hysteresis loop.

◆ Can display B(H) hysteresis loop cluster , B(H) magnetization curve, μ(H) permeability curve.

◆ The instrument is easy to operate and can be interrupted by human intervention.

◆ Has powerful file management functions. It has the functions of automatically saving data, deleting data, and clearing all data.

◆ The data file contains complete sampling data and sample parameters And instrument parameters, the file adopts text format, which can be easily input into other software.

◆ The test report contains complete graphs, test results, Test conditions and sample parameters.

◆ The file system adopts a database format, which can be directly printed or output The test results are transferred to an Excel table.

◆ Can be in Chinese and English format, which is convenient for adding users' logos and company names.

◆ Has a print preview function for easy adjustment and testing The size and margins of the report.

◆ Can print the test report directly, or generate the test report JPG picture file.

◆ Can send JPG image files directly via E-mail, Or save the JPG picture file to disk.

◆ Supports various types of printers, test reports and printers The paper matches exactly.

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

Excitation current source

Data acquisition module

AD section

♦ Input voltage:±5 volts.
♦ AD converter: 16-bit AD, speed 2000-20000 channels/sec.
♦ Channel input impedance: 1 Mohm.
♦ System accuracy:±0.1% FSR.
♦ Resolution: 16 bits.
♦ Noise (peak): less than ±1LSB (typical, 500 sampling points)
♦ Typical AD conversion speed:
♦ USB1.1 interface: 200 calls/sec. Each call can collect 1-16 channels.
♦ USB2.0 interface (scan mode): single channel 2000-4000 channels/sec, 16 channel acquisition time 1ms (equivalent to AD conversion speed 16KHz).
♦ USB2.0 interface (single-channel average mode): 100 times average, sampling period 2.5ms, equivalent AD conversion speed: 40KHz.

DA part

♦ Two-way 16-bit DA converter.
♦ Output voltage:±5 volts.
♦ Output voltage accuracy: ±0.1%, resolution 16 bits.
♦ Setup time of output voltage: less than 100 microseconds.
♦ DA output speed: 2000-4000 times/sec (USB2.0 interface)

Electronic integrator

♦ Power requirements:±12V.
♦ Magnetic flux range: 0.25~0.5~1~2~2.5~5~10~20mwb.
♦ Resolution: 0.0001mWb.
♦ Accuracy: 0.5%.
♦ Drift: 0.001mWb/min.

Software Interface of DX-2012SD hysteresis curves test system

Waveform acquisition interface

Magnetization curve interface

Hysteresis loop test interface

Calibration Certificate

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User manual of DX-2012SD Soft magnetic material DC test system