Retroreflective Photoelectric Sensor
Analog Circuit
Omron Retroreflective Photoelectric Sensor 100 mm 1 m Detection Range NPN Block Style IP67
Retro-Reflective Photoelectric Sensor, Infrared, 0.3m, 30VDC, 0-40°C
Photoelectric Sensor Retro-Reflective Light ON/Dark ON NPN 1m