High-sensitivity magnetic moment measurement
Enables precise characterisation of soft and hard magnetic materials across a wide dynamic range.
Magnetic Testing
DXV-130 Vibrating Sample Magnetometry (VSM) System
High-sensitivity VSM platform for precise measurement of magnetic moment as a function of applied field.
Product Overview
DXV-130 Vibrating Sample Magnetometry (VSM) System is designed for magnetic materials research, quality control and product testing. The instrument measures fundamental magnetic properties such as magnetisation curves, hysteresis loops and demagnetisation curves.
The system calculates important magnetic parameters including saturation magnetisation, residual magnetisation, coercive force, magnetic energy product and magnetic permeability. It supports measurement of different sample types including powders, granules, flakes and solid materials.
Key Features
Capabilities that enable precise, repeatable measurements for demanding engineering environments.
Accurate magnetisation and hysteresis analysis
Captures detailed magnetisation curves, hysteresis loops and demagnetisation behaviour.
Magnetic field strength up to 1.2 Tesla
Stable electromagnet design with fixed air gap for reproducible field conditions.
Flexible sample handling
Supports powder, pellet, bulk and advanced material formats with configurable sample holders.
Integrated control and analysis software
Computer-controlled measurement with automated parameter calculation and data export.
Technical Specifications
Main Specifications
| 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 continuous operation |
| Magnetic Pole Gap | 40 mm |
| Pole Diameter | 60 mm |
| Maximum Magnetic Field | 1.2 Tesla |
Applications
Magnetic materials research and development
Measurement of hysteresis loops and magnetisation curves
Characterisation of magnetic nanoparticles and advanced materials
Industrial magnetic materials testing and quality control
Academic research laboratories
System Components
| Component | Description |
|---|---|
| Electromagnet | DXSG-130 type 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 | Lenovo industrial control computer |
| Printer | HP printer for data output |
Instrument Description
Electromagnet
The electromagnet is a double-yoke fixed air-gap electromagnet positioned at 45°. The magnetic field is generated horizontally with a fixed air gap of 40 mm and pole diameter of 60 mm. The maximum magnetic field strength can reach 1.2 Tesla.
Power Supply
The system uses a high-stability steady-current DC power supply rated at approximately 2 kW. The output current can be continuously adjusted within the rated operating range and includes protection against over-current and short-circuit conditions.
Vibration System
The vibration assembly includes a vibrating rod, mechanical vibrating head, sample chamber and detection coil. The vibrating head can rotate 360 degrees and the sample position can be adjusted along the X, Y and Z axes.
Magnetic Measurement Unit
The magnetic moment measurement unit provides multiple measurement ranges from 300 emu down to 0.015 emu with sensitivity better than 5 × 10⁻⁵ emu.
Magnetic field measurement resolution is 0.1 mT with relative accuracy better than ±1%. The vibration source operates at approximately 180 Hz with high frequency stability.
Measurement Software
The VSM-130C&D measurement software allows configuration of measurement parameters and real-time display of data.
Features include:
- Automatic measurement of magnetisation curves and hysteresis loops
- Fast MH loop measurement and background correction
- Data export for analysis using Excel and Origin
- Curve zooming, smoothing and translation tools
- Automatic calculation of magnetic parameters including saturation magnetisation, coercive force and maximum magnetic energy product
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