OMCH is a Chinese inductive sensor manufacturer established in 1986 with more than 30 years of experience. Our inductive proximity switches have the characteristics of strong stability, accurate detection distance, and strong customization capabilities. Our products have polarity protection, short circuit protection, water, and oil resistance, and can be connected to PLC.
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This inductive proximity switch also known as a contactless proximity switch, is an ideal electronic proximity sensor.
1. When the metal detector is close to the sensing area of the sensor, the sensor can make no contact, no pressure, no spark, and send out the electric instructions quickly, accurately reflecting the position and the stroke of the moving mechanism, even for general stroke control, its positioning accuracy, operating frequency, service life, the convenience of installation and adjustment, and adaptability to harsh environment are incomparable to those of ordinary mechanical stroke switches.
2. The inductive proximity switch is widely used in machine tools, metallurgy, chemical, textile, and printing industries. It can be used as limiting, counting, positioning control and automatic protection in the automatic control system. The inductive proximity sensor/switch features long service life, reliable operation, high repeat positioning accuracy, no mechanical wear, no spark, no noise, strong anti-vibration ability.
3. So far, the application of the inductive proximity switch is more and more extensive, and its development and innovation are very rapid.
The Inductive proximity switches consist of three main components: oscillator, switching circuit and amplified output circuit. The oscillator produces an alternating magnetic field. As the metal target approaches this magnetic field and reaches an inductive distance, eddy currents are generated within the metal target, causing oscillatory attenuation to the point of stopping. The oscillation and deactivation changes of the oscillator are processed and converted into switching signals by the post-stage amplification circuit, which triggers the drive control device, thus achieving the non-contact detection purpose.