Magnetic Testing
DX-2012M Silicon Steel Material Automatic Measuring Device
Soft Magnetic Materials Measurement
Automatic AC magnetic property measuring system for silicon steel materials, supporting standard Epstein square coils and core testing from 40 Hz to 1 kHz.
Product Overview
DX-2012M Silicon Steel Material Automatic Measuring Device is designed for automatic measurement of AC magnetic properties of silicon steel materials.
The system is widely used for incoming inspection and quality control of hot-rolled and cold-rolled oriented and non-oriented silicon steel sheets.
DX-2012M supports testing using standard Epstein square coils and complies with international magnetic testing standards. The system can also directly measure AC magnetic properties of soft magnetic cores within the frequency range of 40 Hz – 1 kHz.
Measurement Accuracy and Repeatability
The following accuracy values are referenced using a standard Epstein square coil sample at 50 Hz frequency.
| Parameter | Uncertainty (%) | Repeatability (%) |
|---|---|---|
| Specific Total Loss (Ps) | 1.0 | ±0.5 |
| Magnetic Induction (Bm) | 0.5 | ±0.3 |
| Magnetic Field Strength (Hm) | 0.5 | ±0.3 |
| Amplitude Permeability (µa) | 1.0 | ±0.5 |
| Loss Angle (δ) | 2.0 | ±1.0 |
Hardware Technical Parameters
Built-in Testing Power Supply
| Parameter | Specification |
|---|---|
| Input Voltage | 220V ±20V / 10A |
| Input Power | 500VA sine wave |
| Frequency Range | 40Hz – 1000Hz |
| Frequency Error | ±0.05% |
| Output Voltage | 0–10–50–100–200V |
| Output Current | 0–20–20–10A |
| Voltage Distortion | <0.5% |
| Voltage Stability | <0.2% |
| Signal Generation | DDS digital frequency synthesis |
System Parameters
| Parameter | Specification |
|---|---|
| Processor | 32-bit ARM embedded processor |
| Interface | RS232 communication |
| PC Control | Supports upper computer software control |
Sampling Technology
| Parameter | Specification |
|---|---|
| A/D Converter | 16-bit dual channel |
| Sampling Speed | Up to 1MHz |
| Sampling Method | Automatic value replacement |
Measurement Accuracy
Measurement conditions:
- Preheated for 10 minutes
- Temperature: 23 ±5°C
- Humidity: 30–75% RH
- No external magnetic field interference
| Parameter | Accuracy |
|---|---|
| Magnetic Induction Locking | ±0.5% |
| Magnetic Field Locking | ±0.5% |
| Magnetic Induction Measurement | ±(0.2% + correction factor) |
| Magnetic Field Measurement | ±(0.2% + correction factor) |
Specific total loss measurement accuracy depends on the phase angle between induced voltage and excitation current.
Software Functions
The DX-2012M software provides automatic measurement, analysis and report generation.
- Automatic test control and data saving through PC connection
- Sorting and classification of key parameters (Br, Bm, Hc, Hm, Ps, µa)
- Accurate measurement of voltage, current, frequency and power parameters
- Measurement of dynamic magnetic parameters including permeability and loss angle
- Generation of waveform reports including I-V-B waveforms and B-H hysteresis loops
- Display of magnetization curves and permeability curves
- Loss curve analysis Ps-B curve
- Multi-curve comparison of different samples or frequencies
- Supports Chinese and English interface with automatic report generation
Applications
- Silicon steel sheet production quality control
- Transformer core material testing
- Electrical steel research laboratories
- Magnetic material development
- University research and academic laboratories
Ready to evaluate this system?
Talk with our engineering team about your measurement requirements, integration constraints and delivery timelines.
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