18 Years Factory Face Visor - GJC4 Low Concentration CH4 Meter – Topsky
18 Years Factory Face Visor - GJC4 Low Concentration CH4 Meter – Topsky Detail:
Model:GJC4
Brand:TOPSKY
Specifications
Sensor for low concentration methane, on-spot display, long-distance signal communication, sound and light alarm, infrared remote
Application
1. This product forms a new generation of intelligent methane sensors. With the
standard signal output.
2.It can work 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.
Main specification
Item |
Specification |
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Measuring range(CH4) |
(0~4)% |
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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 |
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Accuracy |
0.01%CH4 |
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Response Time |
Less than 20s |
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Input Voltage |
DC (9~24)V |
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Output Signal |
(200~1000)Hz |
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Digital Signal |
2400bps |
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Transmission Distance |
More than 2km |
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Alarm Point |
continuous adjustable, set as 1.00% CH4 |
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Alarm Mode |
Intermittent sound & light alarm |
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Breaking Point |
continuous adjustable, set as 1.50% CH4 |
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Sound Level |
More than 85dB |
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Explosion Protection |
Exibd I |
|||
Working Life |
More than 1year |
|||
Display mode |
3 digital LED |
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Dimensions |
270×120×50mm |
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Weight |
1kg |
|||
Related Equipment |
DJ4G-Z mainframe for coal mine fixed methane breaker |
|||
Fittings |
FYF5 coal mine remote control |
Product detail pictures:

Related Product Guide:
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