Typology
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Low-concentration methane sensor for mining
Applicable to coal mines containing explosive mixtures but no corrosive gases that damage insulation. It can continuously monitor the gas concentration in the wind flow near the equipment and upload the monitored concentration value to the monitoring substation in digital form.
Keywords:
Explosion-proof intrinsically safe sensor for mining
Details
Applicable to coal mines containing explosive mixtures but no corrosive gases that damage insulation. It can continuously monitor the gas concentration in the wind flow near the equipment and upload the monitored concentration value to the monitoring substation in digital form. When the gas concentration reaches or exceeds the alarm point, the sensor immediately sends out sound and light alarm signals.
The sensor adopts high-performance thermal catalytic elements, microcomputer digital technology and new electronic devices, with stable performance, accurate threshold, rapid response and high precision. The use method adopts humanized design and soft adjustment technology, which is simple to operate and easy to use.
Explosion-proof type: mining explosion-proof and intrinsically safe type, explosion-proof mark: Ex db ibⅠMb.
[Technical indicators]:
Range: (0~4)%;
Response time: ≤20s;
Intrinsically safe design, EMC protection design;
Waterproof and dustproof design reaches IP65 protection level;
Four-level alarm time and alarm point: can be set locally or by system.
Working voltage: (9~25V) DC; Working current: ≤50mA;
Output signal: RS485 as the main signal, supplemented by multiple segmented frequencies.
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Address
No. 104, Building G11, Phase 4, Times Headquarters Base, Lanxiang Middle Road, Tianqiao District, Jinan City