Sensor, Photoelectric, Retro-Reflective, w/Polarizing Filters, R1, 2m Cable
反射 光学传感器 0.394" ~ 7.874"（10mm ~ 200mm）ADJ
得捷:
SENSOR REFLECTIVE 200MM
Allied Electronics:
Sensor, Photoelectric, Retro-Reflective, w/Polarizing Filters, R1, 2m Cable
Electro Sonic:
Photoelectric Sensor Thru-beam