Transparent Object Detection Sensor
Analog Circuit
E3S-R36 Photoelectric Sensor, Through-Beam & Retro-reflective, 1m Sensing Distance, 30V 30mA
Omron E3S-R62 2M Retro-Reflective Photoelectric Sensor
Retro-Reflective Photoelectric Sensor, Infrared, 0.3m, 30VDC, 0-40°C