Valve Well Gas Leak Detector
Valve Well Gas Leak Detector

Product Overview
Our company uses underground chamber combustible gas monitoring terminals to detect valve well leaks. These devices periodically collect methane concentration, pipeline pressure, and temperature data using dedicated sensors. They provide real-time monitoring of methane levels, air pressure, and temperature within the valve well. Key features include automated gas monitoring, automatic data upload, and alarm triggering. Additionally, the system supports water intrusion detection, manhole cover movement detection, and equipment theft detection.
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- GB/T 4208 "Degree of Protection Provided by Enclosures (IP Code)"
- T/CGAS 013-2021 "Combustible Gas Monitoring Device for Underground Chambers"
- GB/T 3836.1 "Explosive atmospheres - Part 1: General requirements for equipment"
- GB/T 3836.4 "Explosive atmospheres — Part 4: Equipment protected by intrinsic safety 'i'"
Key Technical Specifications
| Detect Gas | Methane |
| Detection Method | Diffusion |
| Measurement Range | 0-20% Vol |
| Explosion-proof marking | Ex ib IIB T4 Gb |
| Wireless Transmission | LTE |
| Protection Rating | IP68 |
| Power Supply | Lithium-ion |
| Battery Life | 3 years (standard work mode) |
| Operating Temperature | -40℃-70℃ |
| Operating Humidity | ≤100%RH |
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