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Introduction To Proximity Switches

- Dec 25, 2017 -

Proximity switch is a position switch which can be operated without mechanical direct contact with moving parts, when the object is close to the switch's sensing surface to the motion distance, it does not need mechanical contact and exert any pressure to make the switch action, thereby driving the DC electric appliance or providing the control instruction to the computer (PLC) device. The proximity switch is a type of switch sensor (i.e. no contact switch), it has the characteristics of stroke switch and micro switch, and has the characteristics of sensor performance, reliable action, stable performance, fast frequency response, long application life, strong anti-interference ability, and waterproof, shockproof and corrosion resistance. The product has inductance type, capacitance type, Hall type, AC, DC type.

Proximity switch, also known as non-contact Proximity switch, is an ideal electronic switch sensor. When the metal detector is close to the sensing area of the switch, switch can be no contact, no pressure, no spark, the rapid issuance of electrical instructions, accurately reflect the position of the movement and travel, even for general stroke control, its positioning accuracy, operating frequency, service life, installation and adjustment of the convenience of the application of harsh environment and ability, Is the general mechanical type of travel switch can not be compared. It is widely used in machine tools, metallurgy, chemical, textile and printing industries. It can be used as limit, count, position control and automatic protection in automatic control system.

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