光电传感器
Through-Beam Optical Sensor 11.811" 300mm NPN - Open Collector/Dark-ON
得捷: SENSOR THROUGH-BEAM 300MM NPN
立创商城: 光电传感器
艾睿: Photoelectric Sensor Thru-beam Dark ON NPN 0.3m 2-Pin
Omron 欧姆龙
Illumra