Standard Electromagnet | Cryomagtech
High-precision standard electromagnet with adjustable gap, water-cooled coils, and stable field uniformity. Ideal for MOKE and Hall effect experiments.
CONTACT US1. Product Overview
The Cryomagtech Standard Electromagnet (EM Series) is designed based on nearly 20 years of precision magnetic system manufacturing experience.
This series features a compact structure, high energy density, and excellent long-term stability, making it suitable for continuous laboratory and industrial use.
The EM Series provides multiple configurations — 1D, 2D, and 3D universal electromagnets, as well as optional components such as rotating stages, optical holes, and customized pole heads.
It can also be custom-engineered for integration with microscopes, MOKE systems, and other scientific instruments.
Cryomagtech’s electromagnets are widely used in magneto-optical research, hysteresis loop measurements, magnetic field annealing, Hall effect testing, magnetic susceptibility measurement, NMR imaging, and biological magnetic experiments.
EM3 Electromagnetic Magnet
EM series electromagnet
2. Key Features
- Continuously adjustable pole spacing to adapt to different magnetic gap requirements
- Cylindrical and conical pole heads for achieving ideal field strength and uniformity
- Water-cooled coil design ensuring field stability and long-term reliability
- Detachable pole structure for easy pole head replacement
- High-purity soft iron pole material with precision machining for excellent field repeatability
- Optional optical access pole caps for laser and optical experiments
3. Technical Specifications
Selection Parameters
| Model | EM1 | EM3 | EM4 | EM4W | EM5 | EM7 |
| Pole Size (mm) | 38 | 76 | 100 | 100 | 127 | 178 |
| Pole Tip Size (mm) | 25 | 40 | 50 | 50 | 60 | 76 |
| Coil Quantity | 2 | |||||
| Magnetic Gap Adjustment | Bi-directional | |||||
| Magnetic Field Range (mm) | 0–50 | 0–64 | 0–100 | 0–88 | 0–129 | 0–168 |
| DC Resistance (Ω @20°C) | 3.6 | 4.5 | 0.65 | 0.65 | 0.68 | 0.65 |
| Max Continuous Current (A) | ±4 | ±6 | ±20 | ±55 | ±70 | ±85 |
| Input Power (W) | 100 | 250 | 350 | 2400 | 3500 | 5400 |
| Magnetic Field Strength (T @20mm) | ≥±0.21 | ≥±0.65 | ≥±0.83 | ≥±1.5 | ≥±1.8 | ≥±2.2 |
| Field Uniformity 1%@20mm | φ5×6 | φ20×20 | φ30×18 | φ30×18 | φ30×20 | φ40×18 |
| Cooling Type | Natural Air | Water | ||||
| Water Flow (L/min) | — | 8 | 8 | 12 | ||
| Water Pressure (kPa) | — | 300–600 | ||||
| Inlet Temperature (°C) | — | 15–20 | ||||
| Weight (kg) | 6.5 | 45 | 130 | 138 | 280 | 565 |
| Recommended Power Supply | P5-40 | P10-40 | P20-40 | P6040 | P7050 | P9060 |
| Mounting Options | Horizontal / Vertical | |||||
| Optional Accessories | Electric / Manual rotating stage, optical support | |||||
| Remarks | Pole dimensions customizable per request | |||||
Magnetic Field Curve
Magnetic field linearity ensures smooth current crossover through zero, maintaining high precision field control.
(Tested under Cryomagtech high-precision bipolar power supply closed-loop control.)
4. Testable Samples & Applications
- MOKE (Magneto-Optical Kerr Effect) experiments
- Magnetic hysteresis loop measurement
- Hall effect and anisotropy testing
- Magnetic field annealing and NMR applications
- Biological and materials magnetism research
5. System Configuration
- Main Unit: Cryomagtech EM Series Electromagnet
- Power Supply: Cryomagtech High-Precision Bipolar Source
- Cooling System: Air or water (depending on model)
- Field Control Interface: Closed-loop feedback system
- Accessories: Pole head kits, optical ports, rotation stages
6. Optional Accessories
- Motorized or manual rotation platforms
- Optical pole caps for laser beam transmission
- Precision Hall probes for field calibration
- Magnetic shielding enclosure
- Custom pole shapes for specific field geometries
7. Ordering Information
| Model | Magnetic Gap | Field Strength (T) | Cooling Type | Power Supply |
|---|---|---|---|---|
| EM1 | 0–50 mm | ≥0.21 | Air | P5-40 |
| EM3 | 0–64 mm | ≥0.65 | Air | P10-40 |
| EM4 | 0–100 mm | ≥0.83 | Air | P20-40 |
| EM4W | 0–88 mm | ≥1.5 | Water | P6040 |
| EM5 | 0–129 mm | ≥1.8 | Water | P7050 |
| EM7 | 0–168 mm | ≥2.2 | Water | P9060 |
For non-standard customization, please contact Cryomagtech technical support.
8. Why Choose Cryomagtech
- Over 20 years of expertise in electromagnet and magnetic field control systems
- High precision machining ensuring field uniformity and reproducibility
- Integrated system design with custom power supply matching
- Reliable for long-term continuous operation
- Trusted by research institutions and laboratories worldwide
9. Contact & Inquiry
For product inquiries, customization requests, or technical support, please contact:
Cryomagtech
🌐 Website: www.cryomagtech.com
📧 Email: edaystore@outlook.com