Sensors
A proximity sensor is used to detect the presence of nearby object without any physical contact. An inductive Proximity sensor always requires Metal target. Applications of inductive proximity sensors include Metal Detectors, Traffic Light, Car Washing & Host of an Automated Industrial Processes.
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Capacitive Sensors
The capacitive photoelectric sensor is suitable for the plastic target. Capacitive sensing is used in many different types of sensors including those to detect & measure proximity, position or displacement humidity, fluid level, and acceleration.