GAOTek Methane Laser Gas Detector

This Methane Laser Gas Detector has temperature of-4 °F to 140 °F, colour LCD screen, and DC 3.7 V rechargeable Lithium battery.




  • Remote gas leakage measurement without contact
  • Detection distance exceeding 150 meters
  • Compact and lightweight design for easy portability
  • High selectivity, responds exclusively to Methane
  • Sensitivity down to 5 ppm.m
  • Rapid response with no alarm delay
  • Minimal zero drift
  • Colour LCD screen with adjustable brightness
  • Display includes waveform graph and digital readout
  • Incorporates spotter beam for enhanced visibility over long distances


Technical specifications

Gas CH4
Principle TDLAS
Distance 590.55 in (150 m)
Response time T90 < 0.05 S
Explosion-proof grade Ex ib IIC T4 Gb
Power supply DC 3.7 V rechargeable Lithium battery
Working time 8 hours continuously
Display Colour LCD screen
Lifespan 10 years
Alarming method Visual & audible alarm
Alarm threshold Adjustable
Penetrating An object that can be penetrated by light
Detection range 0 ppm to 100000 ppm
Sensitivity 5ppm
Data transmission Blue tooth
Accessory Battery Charger, wrist band
Humidity <99% RH (no condensation)
Ingress protection IP 66
Storage temperature -4 °F to 140 °F (-20 ℃ to 60 ℃)
Working temperature -22 °F to 122 °F (-30 ℃ to 50 ℃)
Weight  1.32 lb (600 g)


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