Optical slot sensor is a type of sensor which uses a light beam to detect the presence or absence of an object, within a specified gap or slot.
Types of optical slot sensors:
- Through beam type: It consists of separate emitter and detector units which are mounted opposite to each other in an application.
- Reflective type: Single unit for emitting and detecting light. The reflected light from the object helps in detecting the presence or absence of an object
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Applications: Vending Machines, Cash Counter, ATMs, Pumps, Drug delivery systems, Gas meters, Industrial automation – drives, Joysticks etc.
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