Big Boom in Magnetic Proximity Sensor Industry

Big Boom in Magnetic Proximity Sensor Industry

A proximity sensor is a sensor that can detect the presence of objects nearby without physical contact. A proximity sensor often sends out an electromagnetic field or beam of electromagnetic radiation (e.g. infrared) and looks for changes in the field or in the return signal. The object to be detected is often referred to as the target of the proximity sensor.

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Some of the key players of Magnetic Proximity Sensor Industry:

Gentech International, ALLEGRO MICROSYSTEMS, Celduc Relais, Ifm Electronic, Omron Corporation, SCHMERSAL, Soway Tech Limited, STELVIO CHIAPPONI, Dropsa Spa, CARLO GAVAZZI, ELOBAU, Leuze Electronic GmbH + Co. KG, General Electric, Panasonic Corporation, Rockwell Automation, Inc., SIKO GmbH, Balluff Gmbh, ELEN Srl, Eaton Corporation Plc, BDC ELECTRONIC, NXP Semiconductors N.V., Ipf Electronic Gmbh, Standex-Meder Electronics GmbH, Honeywell International Inc., The Comus Group

Different proximity sensor targets require different sensors. For example, a capacitive proximity sensor or a photoelectric sensor might be suitable for a plastic target; An inductive proximity sensor always requires a metal target. Proximity sensors can have high reliability and long service life due to the lack of mechanical parts and the lack of physical contact between the sensor and the detected object.

Proximity sensors are also used in machine vibration monitoring to measure the change in distance between a shaft and its support bearing. This is common with large steam turbines, compressors, and engines that use plain bearings. A proximity sensor set for a very short range is often used as a touch switch.

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