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GJC4 methane sensor (gas 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