12 m 红外 LED 圆柱状 有线 直通光束 光电传感器, IP67
穿透光束 光学传感器 472.4"（12m）39.4" 暗光
得捷:
SENSOR THROUGH-BEAM 12M DO
Allied Electronics:
SENSOR, M18X1.0 HOUSING, THRU-BEAM, DO, 24-240VAC, 12000MM
Electro Sonic:
Photoelectric Sensor Thru-beam Dark ON Thyristor 12m 2-Pin