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Hand-held Explosion-proof Laser Methane Gas Telemeter


Gas Monitoring Product

Hand-held Explosion-proof Laser Methane Gas Telemeter


Hand-held Explosion-proof Laser Methane Gas Telemeter


Hand-held explosion-proof laser methane gas telemeter consists of optical machine system, signal processing system, display and alarm system and housing assembly, based on tunable laser absorption spectroscopy technology (TDLAS), mainly used to measure long-range concentration of methane or methane-containing gas (natural gas, gas or similar gas). When detecting that the methane concentration value exceeds the set alarm value, the instrument will sound an alarm, and the device will continue to vibrate at the same time. It is characterized by high sensitivity, fast response speed, remote detection, and no cross-interference from other gases.


● Explosion-proof mark: Ex ib IIA T3 Gb

● Detection target: gas containing methane composition (CH4)

● Detection laser power: ≤15mW

● Detection laser safety: Class I laser, human eye safety

● Laser protection rating: Class Ⅲa

● Detection range: 0-50,000 ppm.m

● Detection distance: 30m/60m(optional)

● Sensitivity: 5ppm.m

● Response time: ≤0.1s

● Continuous working hours: 8h

● Alarm volume: ≥70dB(1 m)

● Operating temperature: -20℃~+ 50℃

● Protection level: IP 54

● Product material: ABS

● Product net weight: 0.25kg


As a daily inspection tool, methane gas leakage in the target space can be detected and identified at long distances. It is not necessary to test point by point close to the target to be tested to improve efficiency and ensure personal safety. It is suitable for natural gas stations, gas pipe networks, outdoor risers, gas storage tanks, gas leakage areas and other places.

Hand-held Explosion-proof Laser Methane Gas Telemeter  Hand-held Explosion-proof Laser Methane Gas Telemeter

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