Magnetic Testing
DXV-220 Vibrating Sample Magnetometer (VSM)
Vibrating Sample Magnetometer (VSM)
Compact vibrating sample magnetometer for routine measurement of magnetisation curves and hysteresis loops in research laboratories.
Product Overview
DXV-220 Vibrating Sample Magnetometer (VSM) is designed for magnetic materials research, quality control and laboratory testing. The system measures fundamental magnetic properties such as magnetisation curves, hysteresis loops and demagnetisation behaviour.
The instrument enables accurate determination of magnetic parameters including saturation magnetisation, residual magnetisation, coercive force, magnetic energy product and magnetic permeability.
DXV-220 supports measurement of multiple sample forms including powders, granules, thin flakes and solid magnetic materials.
Key Features
- High-precision magnetic moment measurement
- Magnetic field strength up to 2.0 Tesla
- Suitable for powder, pellet and bulk samples
- Stable electromagnet with water-cooled structure
- Computer-controlled measurement and analysis
- High sensitivity magnetic moment detection
Main Specifications
| Parameter | Specification |
|---|---|
| Magnetic Moment Range | 10⁻³ emu – 300 emu |
| Sensitivity | 5 × 10⁻⁵ emu |
| Relative Accuracy | Better than ±1% |
| Repeatability | Better than ±1% |
| Stability | Better than ±1% after 4 hours operation |
| Magnetic Pole Gap | 35 mm |
| Pole Diameter | 60 mm |
| Maximum Magnetic Field | 2.0 Tesla |
System Components
| Component | Description |
|---|---|
| Electromagnet | DXSG-220 water-cooled electromagnet |
| Magnetic Measurement Unit | Includes scanning power supply, lock-in amplifier and Tesla meter |
| Vibration System | Vibrating head, vibrating rod and detection coil |
| Control Computer | Industrial control computer |
| Printer | HP printer for data output |
Measurement Software
The VSM measurement software allows configuration of measurement parameters and real-time display of data.
Key functions include:
- Automatic measurement of magnetisation curves and hysteresis loops
- Fast MH loop measurement
- Curve zooming, smoothing and translation tools
- Data export for analysis using Excel and Origin
- Automatic calculation of magnetic parameters including saturation magnetisation and coercive force
Applications
- Magnetic materials research and development
- Hysteresis loop measurement
- Characterisation of magnetic nanoparticles and advanced materials
- Industrial magnetic materials testing
- Academic and university laboratories
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