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Capacitive Proximity Switch

- Dec 25, 2017 -
The measurement of this switch is usually a plate that forms the capacitor and the other plate is the shell of the switch. This enclosure is usually grounded or connected to the chassis of the device during measurement. When an object moves toward the proximity switch, whether or not it is a conductor, due to its proximity, the capacitor will always change the dielectric constant, so that the electrical capacity changes, so that and the measurement of the head connected to the circuit state also changes, which can be controlled switch to connect or disconnect. This proximity switch detects objects that are not limited to conductors, can be insulated from liquids or powdered objects, etc.

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