最大为 200 mm LED 块状 直通光束 光电传感器, IP50
穿透光束 光学传感器 7.874"（200mm） -
得捷:
SENSOR THROUGH-BEAM 200MM
艾睿:
Photoelectric Sensor Thru-beam 0.2m 2-Pin
Allied Electronics:
Sensor, Photo Separate Amp, Through Beam, Bracket Mount, 200mm, E3C Series
Newark:
# OMRON INDUSTRIAL AUTOMATION E3C-S20W PHOTO SEPARATE AMP