How to Select Photoelectric Sensors
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Photoelectric sensors use light to sense the presence, absence, or distance of target objects.
How Photoelectric Sensors Work
Photoelectric sensors consist of an emitter light source, a photodiode or phototransistor receiver, and supporting electronics. The basic operating principal involves the emitter (sender) transmitting a beam of light, which is directed to and detected by the receiver. This...
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Q & A on Photoelectric Sensors
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