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Autonics Photoelectric Sensors



A photoelectric sensor emits a light beam (visible or infrared) from its light-emitting element. A reflective-type photoelectric sensor is used to detect the light beam reflected from the target. A thrubeam type sensor is used to measure the change in light quantity caused by the target crossing the optical axis.

What is photoelectric sensors used for?

• A photoelectric sensor is used to detect the presence (or absence) of an object, or for measuring the distance between a point and an object.

• Retro-reflective sensors may be polarized to minimize false reflections.

 • Beams may be visible or invisible. ...

 • Light may be supplied by glass or plastic fiber cables.

 • AC, DC, or analog outputs are available.

photoelectric sensors

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