GJC 4 Low Concentration Methane Sensor

It adopts embedded microcontroller technology and four digit LED display, which can be used together with various types of coal mine safety monitoring system and power-off instrument.monitoring systems.

Number of views:

1000

Category

Mine Communication system

Quantity



Product description

Main characteristics

● It adopts embedded microcontroller technology and four digit LED display, which can be used together with various types of coal mine safety monitoring system and power-off instrument.

● It has the functions of local display, intermittent audible and visual alarm, adjustable alarm point, adjustable power off point and power restoration point, infrared remote control adjustment, etc.

● Standard frequency output, customized current, switching value and RS485 output.

Main technical parameters

Technical parameters
Supply voltage	DC( 9～24)V	Output Signal	Frequency: (200 ~ 1000) Hz; Digital: RS485 (optional); Current: (4-20) MA (optional)
Measuring Range	(0~25)%O2	Transmission Distance	≥2km
Response time	≤20s	Explosion proof type	Exib 1 MB
Sensor life	＞1yr	Sound level intensity	＞80db
Resolving power	0.01%CH4	Coal safety certificate number	MFB090080