Capacitive Proximity Switches
The capacitive proximity switches are used for sensing metallic as well as non metallic material.
The Major Applications of Capacitive Switches
• Liquid level / Plastic Granules/ Component /Sand / Bulk Material Level
• Food /Grain / Paper & Rubber/ Glass Industries
Working Principle
The switches works on the principle of resonant oscillator circuit. Two brass plates are used as electrodes of capacitor & the sensing objects acts as a dielectric media. The change in capacitance the object is sensed by a sensing circuit and output signal is generated.
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