An inductive proximity sensor cannot detect a metallic object if it is wet or dirty.

An inductive proximity sensor cannot detect a metallic object if it is wet or dirty. Correct Answer False

An inductive proximity sensor can detect a metallic object even if it is wet or dirty. Inductive proximity sensor works on the principle of electromagnetic induction, that is it creates a magnetic field which induces an emf (electromotive force) which used to determine the presence of objects. The water and dirt does not interfere the magnetic field so it can detect a metallic object even if it is wet or dirty.

Related Questions

Statement (I): Capacitive proximity sensor can only be used for the detection of metal objects and is best with ferrous metals. Statement (II): One form of capacitive proximity sensor consists of a single capacitor plate probe with the other plate being formed by the object, which has to be metallic and earthed.
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Statement (I): To use a sensor, we generally need to add signal conditioning circuitry, such as circuits which amplify and convert from analog to digital, to get the sensor signal in the right form, take account of any non-linearities, and calibrate it. Statement (II): A smart sensor is integrated with the required buffering and conditioning circuitry in a single element and provides functions beyond that of just a sensor.
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