MG Series Magnets
The Honeywell MG Series magnets are a range of bar magnets designed for actuating Hall-effect and magnetoresistive sensor ICs. Available in various sizes, strengths, and magnetic materials, these magnets are suitable for applications requiring precise magnetic field control. They offer advantages such as compact size, wide magnetic field ranges, variety of shapes, and good physical strength. Some models feature threaded bushings for easy installation and resistance to demagnetization. These magnets are ideal for evaluating and designing magnetic systems across diverse industries.
Product Attributes
- Brand: Honeywell Sensing and Control
- Materials: Alnico V, Alnico VIII, Rare Earth (SmCo-Samarium Cobalt), Indox
- Features: Threaded bushings (on some models), resistance to demagnetization
Technical Specifications
| Model | Magnetic Material | Operating Temperature | Peak Energy Product (BDHD) | Residual Induction (BR) | Coercive Force (HC) |
| Alnico V | Alnico V | -40 C to 140 C [-40 F to 284 F] | 5.5 106 | 12800 Gauss | 640 Oersteds |
| Alnico VIII | Alnico VIII | -40 C to 140 C [-40 F to 284 F] | 6.0 106 | 9200 Gauss | 1550 Oersteds |
| Rare Earth (SmCo) | Rare Earth (SmCo-Samarium Cobalt) | -40 C to 300 C [-40 F to 572 F] | 18.0 106 | 8600 Gauss | 8000 Oersteds |
| Indox | Indox | -40 C to 140 C [-40 F to 284 F] | N/A | N/A | N/A |
Application Scenarios
Industrial
- Door or lid closure detection in appliances or electronically controlled containers.
- Simple speed and RPM (revolutions per minute) sensing in fitness and industrial equipment.
Medical
- Position sensor in hospital beds and medical equipment.
- Medication bin monitor on portable drug carts.
Magnet Actuation Methods
- Head-on Actuation: Magnet moves directly towards the sensor, requiring sufficient travel for flux overdrive.
- Slide-by Actuation: Magnet passes the sensing surface at a distance, requiring flux overdrive above the maximum operate point.
Magnet Conversion Chart
| From / To | Gauss | Tesla | Millitesla | Weber/Inch2 | Weber/Meter2 | Line/Inch2 | Gammas |
| Gauss | 1.0 | 1.0 10-4 | 0.1 | 1.55 10-7 | 1.0 10-8 | 1.0 10-4 | 1.0 104 |
2412090944_Honeywell-103MG5_C150216.pdf
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