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What is a slot photo-interruptor and where is it commonly used in?

April 26, 2017Commonly photo-interruptor Used

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What is a slot photo-interruptor and where is it commonly used in?

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A slot photo-interruptor normally has a U-shape housing with the emitter and detector at opposite ends of the U shape tip, thus creating a slot between the emitter and detector. The object of detection normal pass through the slot and thus blocking the light path triggering a detection out put. Slotted photo-interruptors are used in applications where the object is small enough to pass through the slot. Generally slot photo-interruptors are used in applications like printers as paper detectionsensor and cover sensor.