Typology
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Production Address: Building 104, G11, Phase 4, Times Headquarters Base, No. 30, Lanxiang Middle Road, Tianqiao District, Jinan
Registered Address: Haina City, No. 555, Meili Road, Second Ring West Road, Saiyin District, Jinan, Shandong, China Building 315, No.22, Headquarters Park
Low-concentration methane sensor for mines
The low-concentration methane sensor for mines is developed to meet the needs of my country's coal mines to monitor underground methane concentration. It can continuously and automatically convert underground methane concentration into standard electrical signals and transmit them to the matching equipment, and has the functions of on-site display of biogas concentration values and over-limit sound and light alarms.
Keywords:
Explosion-proof intrinsically safe sensor for mining
Details
The low-concentration methane sensor for mines is developed to meet the needs of my country's coal mines to monitor underground methane concentration. It can continuously and automatically convert underground methane concentration into standard electrical signals and transmit them to the matching equipment, and has the functions of on-site display of biogas concentration values and over-limit sound and light alarms. After the sensor is online inspected by the national explosion-proof inspection agency, it can be matched with various types of domestic monitoring systems, power-off instruments, and wind power gas locking devices. It is suitable for fixed use in coal mining working faces, electromechanical chambers, return air tunnels and other locations.
Explosion-proof type: Sensor explosion-proof form: mining intrinsically safe type; explosion-proof mark "Ex db ia I Mb"
Main technical indicators
Electrical performance
a) Rated working voltage: 24V.DC; b) Rated working current: ≤60mA.
Measuring range: 0.00%CH4 ~ 4.00%CH4.
Transmission distance
Transmission mode: RS485;
Transmission rate: 4800bps;
Peak-to-peak value of working voltage: ≤12V;
Maximum transmission distance: 2km; (Using MHYVRP cable, wire diameter section not less than 1.5mm²)
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Address
No. 104, Building G11, Phase 4, Times Headquarters Base, Lanxiang Middle Road, Tianqiao District, Jinan City