GJC4 Methane Sensor

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The sensor can automatically mine methane concentrations in the environment into a standard electrical signal transmission to the associated apparatus Shows that methane concentration, transfinite acousto-optic alarm and Power off function Technical parameters Measurement:0~100%CH4 Display usage: Red four digital tube display Signal output catalysiselement work: output frequency 200~1000HZ ,0~4%CH4 Thermal conductivity cell work: output frequency 1200~2000HZ ,0~100%CH4 Type of alarm : Diode intermittent sound and light alarm Operating voltage: 9~18VDC OPerating current: ≤70MA(18VDC) Sensor using the single core cable sectional area should be no greater than 1.5 m m² Transmission distance of sensor and associated equipment shall be not less than 2000 m explosion type:Exib i Item Specification Measuring range(CH4) (0~4)% Measuring Error (CH4) 0~1.00 More than1~3.00 More than 3.00~4.00 Less than ±0.1 ±10% true value Less than±0.3 Accuracy 0.01%CH4 Response Time Less than 20s Input Voltage DC (9~24)V Output Signal (200~1000)Hz Digital Signal 2400bps Transmission Distance More than 2km Alarm Point continuous adjustable, set as 1.00% CH4 Alarm Mode Intermittent sound & light alarm

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Jining Hengwang Mining Machinery Co., Ltd.

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