A photoelectric sensor, or photo eye, is an equipment used to discover the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver. They are largely used in industrial manufacturing.
Photo Sensor For Sanitizer Dispenser
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Cylindrical Photoelectric Sensor are the preferred choice for the majority of applications requiring accurate,non contact detection of Non metalic objects in machinaery or automation equipment.