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Handheld Infrared Methane Gas Detector JHB SeriesJHB Series

JHB series infrared methane alarm detector is in compliance with mining products certification, it is mainly applied in coal mine, natural gas, CBM (Coal bed methane), rubbish filling, sewage treatment, anaerobic fermentation and other fields for CH4 gas leakage detection. Infrared gas filter technique, CH4 measurement can not be interfered by other gas compositions.

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  • Independent intellectual property rights of infrared gas analysis technology.
  • Dual-range setting with high concentrations of methane gas leak detection and alarm function.
  • High and low alarm points can be customized settings.
  • Air auto-zero calibration feature.
  • Proliferation Sampling.
  • Fast response.
  • LED digital tube display real-time gas concentrations.
  • Rechargeable lithium battery.
  • Small size, simple operation.


CO2 Sensor CM1106-C
Measurement method NDIR
Range CH4: 0-5%vol [0-100%LEL), 0-1 00%vol
Warm-up time 30s
Accuracy For range 0-1%vol: +0.06%;For range 1-100%vol: +6% of reading;For range 0-100%LEL: +5% LEL .
Response time T90< 25s at 20C
Working voltage DC 3.7V; 1300mAh lithium battery
Signal output LED display, audible-visual alarming
Woking temperature -20~55℃
Dimension 100*68*31.5mm
Stand-by time ≥10 hrs
Lifespan ≥10 years
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