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Magnetic proximity sensors are used for non-contact object detection beyond the normal limits of inductive sensors. Used with a separate damping magnet, they offer very long sensing ranges and can detect magnets through walls of non-ferrous metal, stainless steel, aluminum, plastic or wood.
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Magnetic Proximity Sensors
Category Selection
Magnetic sensors use state-of-the-art GMR (Giant Magneto Resistive effect) technology. The measuring cell consists of resistors with several extremely fine ferromagnetic and non-magnetic layers. The electrical resistance of these layers is changed when an external magnetic field is applied. This influence on the electrical resistance can be detected, causing the sensor to switch. Since magnetic fields penetrate all non-magnetizable materials, the sensors can detect magnets through walls made of non-ferrous metal, stainless steel, aluminum, plastic, or wood.
Magnetic proximity sensors typically have a detection range three to four times greater than inductive sensors, allowing for much better mounting flexibility. They can even be mounted inside an aluminum box without impacting their sensing ability.
For part listings and specifications, go to Shop Now
8mm Tubular
8mm tubular magnetic proximity sensors offer a detection distance up to 60mm, a 316L stainless steel housing, and an integral 2m pigtail or quick-disconnect termination style.
- Flush mount
- N.O. PNP output
- 5kHz switching frequency
- 10-30VDC operating voltage
- IP67 protection rating
12mm Tubular
12mm tubular magnetic proximity sensors provide a 316L stainless steel housing, detection distances up to 60mm, and quick-disconnect termination style. Select models offer an IP69K harsh duty rating.
- Flush mount
- N.O. and N.C. output options
- PNP and NPN models
- 5kHz switching frequency
- IP65/67 or IP65/68/69K protection ratings
18mm Tubular
18mm tubular magnetic proximity sensors provide detection distances up to 70mm, a 316L stainless steel housing, and quick-disconnect termination style. Select models offer an IP69K harsh duty rating.
- Flush mount
- N.O. and N.C. output options
- PNP and NPN models
- 5kHz switching frequency
- IP65/67 or IP65/68/69K protection ratings
Sensor Tester
Sensor testers save time by determining if a sensor is functional before installation. This unit is lightweight and compact so it can be stored in a desk drawer and carried in a pocket. It includes a rechargeable battery and micro-USB charging cable.
- Fast field check of various DC sensor types
- LED and acoustic indicator
- Current supply to 100mA
- Includes rechargeable battery
- Universal micro-USB charger
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