CMT-100 Laboratory - Grade VSM Magnetometer
CMT-100 is a compact lab - grade VSM system for analyzing magnetization, magnetic hysteresis, and other core magnetic properties of research materials.
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CMT-250 Temperature - Controlled Vibrating Sample Magnetometer
CMT - 250 is a VSM system supporting thermal magnetic tests such as heating, cooling, magnetization, and hysteresis loops at controlled temperatures.
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Selection at a glance
- Temperature range
- Room temperature → liquid nitrogen; Room temperature → 500°C
1. Product Overview
The CMT-250 Temperature-Controlled Vibrating Sample Magnetometer (VSM) is designed for advanced material research, quality control, and product testing. It enables precise measurement and analysis of fundamental magnetic properties of various materials, including:
- Saturation magnetization
- Residual magnetization
- Coercive force
- Maximum magnetic energy product
- Curie temperature
- Magnetic permeability (including initial magnetic permeability)
The system supports the testing of powders, granules, flakes, and bulk samples. It allows in-situ magnetic property measurements across a wide temperature range, from room temperature to 500°C and from room temperature down to liquid nitrogen levels.
2. Key Features
- Wide measurement range of magnetic moments with high sensitivity.
- High accuracy, repeatability, and stability for long-duration experiments.
- Broad temperature control: room temperature to liquid nitrogen, and room temperature to 500°C.
- Strong magnetic field capability with maximum field strength of 2.2T.
- Modular system including electromagnet, vibration unit, high/low temperature devices, and software integration.
3. Technical Specifications
| Parameter | Value |
|---|---|
| Magnetic moment range (pole gap 40mm) | 1×10⁻³ emu – 300 emu |
| Sensitivity | 5×10⁻⁵ emu |
| Relative accuracy (3 emu range) | Better than ±1% |
| Repeatability (3 emu range) | Better than ±1% |
| Stability (after 4 hrs, 3 emu range) | Better than ±1% |
| Temperature range | Room temperature → liquid nitrogen; Room temperature → 500°C |
| Magnetic pole spacing | Fixed 35 mm |
| Pole surface diameter | 60 mm |
| Maximum magnetic field strength | 2.2 T |
4. Testable Samples & Applications
- Powders
- Granules
- Flakes
- Bulk blocks
Applications include research and development of magnetic materials, quality assurance in production, and high-precision product testing.
5. System Configuration
The complete system includes:
- CMTSG-250 electromagnet
- Magnetic moment measurement unit host (scanning power supply, lock-in amplifier, Tesla meter, high-temperature drive source, vibration source)
- Vibrating head, vibrating rod, and detection coil
- Lenovo computer
- HP printer
- High-temperature device (up to 500°C)
- Low-temperature device (liquid nitrogen compatible)
- Vacuum pump and liquid nitrogen tank (optional)
- High/low temperature furnace water circulation system (optional)
- Electromagnet circulating water refrigerator (optional)
7. Software Functions
The VSM250 software provides direct system parameter control and intuitive data display. Key functions include:
- Data file export with .13D suffix for Excel/Origin processing
- Real-time curve display (magnetization curves, hysteresis loops, MH loops, heating/cooling curves, temperature control curves)
- Curve operations: zoom, translation, smoothing, printing
- Automatic measurement at set temperatures
- Conversion of open-circuit sample curves into closed-circuit material characteristics
- Automatic calculation of parameters under both SI and Gaussian unit systems: Saturation magnetic moment Saturation magnetization / specific saturation magnetization Residual magnetic moment / residual magnetization Coercive force / intrinsic coercive force Rectangular coefficient Maximum magnetic energy product Loop area Curie temperature
6. Optional Accessories
- Vacuum pump
- Liquid nitrogen storage tank
- High/low temperature circulation system
- Water cooling system for electromagnet
8. Ordering Information
Model: CMT-250 Temperature-Controlled Vibrating Sample Magnetometer
Included Components: Electromagnet, vibration system, host unit, PC, printer, temperature control devices
Optional Accessories: Vacuum pump, liquid nitrogen tank, water circulation systems
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