NIPPON ALEPH is a specialized manufacturer of reed switches, reed relays, detective sensing devices, security equipment/apparatus and information-oriented equipment terminal units. The company's products are predominantly used by manufacturer of office automation (OA) equipment, household electric appliances, factory automation(FA) equipment, cars, integrated circuit(IC) testers and measuring instruments. Our products have also been highly praised in the security industry.


Optical Prism Sensor
Wide sensing gap, up to 1" spacing.
Combines the reliability of an Interrupter Sensor with the convenience of a Reflective Sensor.

Regressive Reflection Type Photo Interrupter
Use of prism as reflective body.
Easy one unit wiring.
Dust-proof type,glass cap type and snap in type available.
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