Magnetic Testing
DX-2012MD Magnetic Flux Density Experimental Device
Hard Magnetic Materials Measurement
Studies temperature dependence of magnetic flux density. Electromagnet heating with fluxmeter and Helmholtz coil for reversible and irreversible loss and high-temperature demagnetization.
Product Overview
DX-2012MD Magnetic Flux Density Experimental Device is designed to analyze the temperature dependence of magnetic flux density in permanent magnet materials. The system measures the change in magnetic flux after heating the sample and returning it to normal temperature, allowing evaluation of both reversible and irreversible magnetic flux density loss curves.
By applying a reverse magnetic field through an electromagnet, the system can also obtain the demagnetization curve of magnetic materials under high temperature conditions. This helps evaluate the thermal stability and operating range of permanent magnets used in magnetic circuits.
The device combines an electromagnet heating structure, flux measurement system and Helmholtz coil to provide reliable experimental data for magnetic material research and testing.
Key Features
- Measurement of reversible and irreversible magnetic flux density loss curves
- Heating temperature range from room temperature to 200°C
- Thermal copper fixture ensures uniform heating of the sample
- Reverse magnetic field capability for high-temperature demagnetization testing
- Suitable for evaluation of thermal stability of rare earth permanent magnets
- Compatible with fluxmeter and Helmholtz coil measurement systems
System Components
| Component | Description |
|---|---|
| Gap Heating Electromagnet (DXT-100) | Provides adjustable magnetic field and heating capability |
| Heating Power Supply (DX-200C) | Controls heating temperature of the sample |
| Excitation Power Supply (DXF2031) | Provides excitation current for electromagnet |
| AC Gaussmeter (DX-103) | Measures magnetic field strength |
| Fluxmeter System | Measures magnetic flux of the sample |
| Helmholtz Coil | Used for magnetic moment and flux measurement |
Gap Heating Electromagnet Specifications
| Parameter | Specification |
|---|---|
| Magnetic Field Gap | 0 – 50 mm adjustable |
| Gap Display Resolution | 0.01 mm |
| Pole Surface Diameter | 100 mm |
| Uniform Magnetic Area | ≥ 60 mm |
| Field Uniformity | 0.1% |
| Magnetic Field Strength | ≥ 750 kA/m at 25 mm gap |
| Temperature Range | Room temperature – 200°C |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | ±1.0% ±0.2°C |
Heating Power Supply (DX-200C)
| Parameter | Specification |
|---|---|
| Input Power | 220V ±10%, 50Hz |
| Output Power | 400 VA |
| Features | Temperature setting and temperature control probe |
Excitation Power Supply (DXF2031)
| Parameter | Specification |
|---|---|
| Input Power | 220V ±10%, 50Hz |
| Output Power | 400 VA |
| Function | Provides excitation current for electromagnet |
AC Gaussmeter (DX-103)
| Parameter | Specification |
|---|---|
| Measurement Range | 0 – 0.2 T / 0 – 2 T |
| Measurement Uncertainty | 1.0% (<1T), 2.0% (1T–2T) |
Applications
- Thermal stability testing of permanent magnets
- Magnetic flux density loss analysis
- High-temperature magnetic material research
- Rare earth permanent magnet testing
- Magnetic circuit design evaluation
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