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The safety line of underground coal mine operations is inseparable from accurate monitoring of personnel, equipment, and regional status. The Mining Infrared Beam Sensor, namely ZP 12RF Infrared Beam Sensor, as an intrinsically safe monitoring equipment adapted to the harsh underground environment, takes infrared beam sensing technology as its core.
link:https://www.rlycn.com/mining-ventilation-system/electrical-control-systems-to-operate-mine-doors/infrared-beam-sensor.html
Infrared Beam Sensor