Inductive & Capacitive Plastic Proximity Switches0 pages

How Inductive Sensors Work
Inductive proximity sensors generate a magnetic field from their detection face. Whenever an object moves into the sensor’s field of
detection, Eddy currents build up in the target and dampen the sensor’s magnetic field. This effect triggers the sensor’s output. Since
a current in the target is needed for detection, inductive proximity sensors are uniquely suited for detection of all types of metals.
Inductive proximity sensors come in two forms, shielded and unshielded. A shielded inductive proximity sensor can be embedded
flush in its mounting material without affecting the sensor’s field of detection. The unshielded inductive proximity sensor has the
advantage of longer sensing distances, but the disadvantage of not being embeddable.
Applications where Inductive and
Capacitive sensors can be used.
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