Good Wholesale Vendors Lighting Sphere - Infrared CH4 meter GJH4(A) – Topsky
Good Wholesale Vendors Lighting Sphere - Infrared CH4 meter GJH4(A) – Topsky Detail:
Application:
GJH4 (A) Infrared CH4 Meter can continuously and automatically convert down hole CH4 concentration into a standard electrical signal and then transmit to the matching equipments. It can show the concentration of methane in situ and it has the function of transfinite audible and visual alarm. It can connect with monitoring system, breaker and wind power gas lock instruments. It is widely used in the field of coal mining working face, electrical and mechanical cavern and return air roadway.
Key Feature:
1.It adopts new type single chip microcomputer and high integration digital circuit. Then the circuit structure is simple. Performance is reliable. Easy to maintenance and debugging.
2.It has the function of Infrared remote calibration zero, sensitivity and emergency alarm. It is simple and convenient to calibrating.
3.The sensor has extra function of cutting off control. You can set cutting off point arbitrarily. It has a multi-usage function.
4.Using new type of switching power, reduce the power consumption of the engine, increase the transmission distance of the instrument.
5.Self-diagnostic function, easy to use and maintain.
6.Newly high-strength shell structure, enhance the impact resistance of the instrument.
Technical Specification:
Testing Range |
0.00%CH4~4.0%CH4 |
Environment Temperature |
0°C~40°C |
Relative Humidity |
≤98%RH |
Atmosphere Pressure |
80kPa~116kPa |
Wind Speed |
0m/s~8m/s |
Frequency |
200Hz~1000Hz |
Current |
1mA .DC~5mA .DC |
Response Speed |
≤20S |
infrared component life |
5 years |
soundintensity |
≥85dB |
Dimension |
270mm× 155 mm× 55mm |
Weight |
≤1.3kg |
Product detail pictures:

Related Product Guide:
We retain bettering and perfecting our merchandise and service. At the same time, we do the job actively to do research and improvement for Good Wholesale Vendors Lighting Sphere - Infrared CH4 meter GJH4(A) – Topsky , The product will supply to all over the world, such as: Ottawa, UAE, UK, we always keep our credit and mutual benefit to our client, insist our high quality service to moving our clients. always welcome the our friends and clients to come and visit our company and guid our business, if you are interested in our products, you can also submit your purchase information online, and we will contact you immediately, we keep our highly sincere cooperation and wish everything in your side are all well.

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