Product Details

Coal mine methane sensor GJC4

Application

1.This product forms a new generation of intelligent methane sensors. With the standard signal output.

2.It can working together with various kinds of monitoring systems and breakers to continuously monitor

the concentration of the methane in an environment where flammable and explosive mixed gases exist.

3.It has the functions of longdistance communication,on spot display, sound & light alarming,infrared

remote adjusting, and is easy to install and operate etc.

Parameters

Item	Specification
Measuring range(CH4)	0~100%
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	9-18V DC
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
Breaking Point	continuous adjustable, set as 1.50% CH4
Sound Level	More than 85dB
Explosion Protection	Exibd I
Weight	1kg
Related Equipment	DJ4G-Z mainframe for coal mine fixed methane breaker