100% Original Blast-Proof Tv System - Infrared CH4 meter GJH4(A) – Topsky
100% Original Blast-Proof Tv System - 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 not only will try our greatest to offer you excellent services to just about every client, but also are ready to receive any suggestion offered by our buyers for 100% Original Blast-Proof Tv System - Infrared CH4 meter GJH4(A) – Topsky , The product will supply to all over the world, such as: Uruguay, Mexico, Nigeria, With the growing of the company, now our products sold and served at more than 15 countries around the world,such as Europe,North America,Middle-east,South America,Southern Asia and so on. As we bear in our mind that innovation is essential to our growth, new product development is constantly.Besides, Our flexible and efficient operation strategies,High quality products and competitive prices are exactly what our customers are looking for. Also a considerable service brings us good credit reputation.
By Raymond from Sweden - 2017.03.07 13:42
Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
By April from Georgia - 2017.06.29 18:55