Silicon Steel Material

Silicon Steel Material Automatic Measuring Device

DX-2012M Silicon Steel Material Automatic Measuring Device is suitable for measuring the incoming inspection of various hot-rolled, cold-rolled oriented, and non oriented silicon steel materials.
It can be configured with standard Epstein square coils to meet the requirements of national standards GB/T3655-2000, GB/T 13789, and IEC 404-2. It can also be used to directly test the AC magnetic properties of soft magnetic material cores in the frequency range of 40Hz~1kHz.

Test accuracy and repeatability technical indicators (refer to the standard sample of the square circle):

Technical Parameter Description of Hardware

Built-in testing power supply technical specifications：

Input：220V±20V/10A；
Input Power: 500VA Sine Wave
Input Frequency: 40Hz~1000Hz, Fineness less than one ten thousandth of the set value
Frequency error: within ± 0.05% of the set value
Output voltage: 0- 10- 50- 100- 200V (effective value) with four automatic outputs
Output current: 0- 20- 20- 10A (peak value) with four automatic outputs
Voltage distortion: better than 0.5%
Voltage stability: better than 0.2%
Signal generation method: DDS digital frequency synthesis method, D/A converter: 16 bit bipolar

System Parameters:

Processor: 32-bit ARM embedded high-speed processor
Interface: RS232, can be connected to a microcomputer for upper computer software control

Sampling technology parameters: A/D converter 1MHz, dual channel 16-bit synchronous analog-to-digital converter, automatic replacement of sampling values.

Measurement accuracy (preheated for 10 minutes at 23 ℃ ± 5 ℃, 30-75% RH environment without external magnetic field interference).

Magnetic induction B locking accuracy: ± 0.5%.
Measurement accuracy of magnetic induction B: ± (0.2% + 0.1% × (Vf/Vr-1) (Vf: Induced voltage sampling range full range delta, Vr: Measurement peak of induced voltage (Vf/Vr-1) ≤ 2 (30V, 300V voltage sampling gear).
Magnetic field H locking accuracy: ± 0.5%; Measurement accuracy of magnetic field H: ± (0.2%+0.1% x (If/Ir-1)) (If: Full range value of excitation current sampling gear, Ir: Peak value of excitation current measurement (If/Ir-1) ≤ 2 (300mA, 3000mA, 30000mA current sampling gear).
(Specific total loss (Ps): ± (1.0+(Φ/90 °) × 0.05 × tan (Φ))% (Φ: Phase angle between induced voltage and excitation current).

Research and development of industrial control computers and HP laser printers are standard equipment.

DX-2012M software testing function (Chinese and English testing interface and report selection)

DX-2012M silicon steel testing software, the underlying software is written in AMR microcontroller language, and the upper computer software is developed in C #, which can directly perform program control operations. The main functions are as follows:

Connected to a microcomputer for automatic control and saving of test data;
Provide sorting function for important parameters (Br, Bm, Hc, Hm, Ps, ua);
Accurate measurement: frequency f, peak value of primary current (effective value), peak value of secondary voltage (effective value), active power, and apparent power;
Accurate measurement: remanence Br, coercivity Hc, amplitude magnetic permeability ua, loss angle δ, and specific total loss Ps;
Accurate measurement: elastic permeability u', viscous permeability u'', inductive permeability uL, resistive permeability uR, Q value, and inductance constant AL;
Provide reports on test waveforms I-V-B, B-H hysteresis loops (clusters), AC u&B-H permeability curves and magnetization curves, and Ps-B specific total loss curves.
It has the functions of locking B, locking H, and locking frequency f testing, and can stack three or less sample curve reports for comparative analysis.

Systems Private Limited