Gjc4 Methane Sensor

We are offering gjc4 methane sensor.
Shows that methane concentration, transfinite acousto-optic alarm and power function on-site.
Technical parameters:
measuring range: 0 ~ 100% ch4
display way: red four digital tube display
signal output:
catalytic element at work: output frequency 200 ~ 1000 hz , corresponding to 0 ~ 4% ch4
thermal conductivity cell work: output frequency1200 ~ 2000 hz , corresponding to 0 ~ 100% ch4
warning: diode intermittent sound and light alarm
operating voltage: 9 ~ 18 v dc
working current: 70 ma (18 v dc) or less
sensor using the single core cable sectional area should be no greater than 1.5 m ㎡
transmission distance of sensor and associated equipment shall be not less than 2000 mb
explosion-proof type: exib i