Getting Retroreflective with Photoelectric Sensors

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retroreflectivesensorsThe most popular photoelectric sensor used is the retro-reflective or reflex mode sensor. One of the advantages of the retroreflective style photoelectric sensors is the light emitter, or light source, and the receiver are in the same enclosure, thus you only have a single device to mount and wire making installation easier and faster. The output of the sensor changes state when the object blocks the light beam between the sensor and the reflector.

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