GAOTek Methane Gas Detectors

This Methane Gas Detector has operating temperature -40 °F to 140 °F, power range of 9 V to 35 V and response time less than 10s.




  • Wide supply input power range of 9 V to 35 V
  • High-precision clock calendar function
  • Industrial-level protective casing for over 10 years of field life
  • Industrial-level electrical interface protection
  • Standard data output protocol


Technical specifications

Data Output RS485/UART/WIFI
Particle Measurement Range 0.3 um to 10 um
Particle Content 0 ug/m3 to 800 ug/m3
Particle Resolution 1ug/m3
Humidity Resolution 1%
NO2 Measuring Range 0 ug to 340 ug/m3
NO2 Detection Limit 5 ppm
O3 Measuring Range 0 ug to 300 ug/m3
O3 Detection Limit 5 ppm
Mean Time Between Failures (MTBF) 85,000 hours (design value)
C6H6 Measuring Range 0 ug to 20 ug/m3
C6H6 Detection Limit 5 ppm
Response Time ≤10 s
Humidity Measurement Range 0 RH to 100% RH
Temperature Measurement Range 32 °F to 140 °F (0 °C to 60 °C)
Temperature Resolution 32.18 °F (0.1 °C)
Working Temperature -40 °F to 140 °F (-40 °C to 60°C)
Working Humidity -40 °F to 140 °F (-40 °C to +60 °C)


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