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Products: Handheld Infrared Methane Gas Detector—JHB Series
Category: Gas Detector
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Introduction Applications Specifications Features
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.
Portable CH4 detector is an ideal instrument with alarm function  to detect the concentration of  CH4, such as chemical industry, oil & gas storage, mine, metallurgy, liquefied gas station, spray paint, petroleum, fuel gas transport, as well as the leakage of nature gas.

Measurement method: NDIR

Range: CH4: 0-5%vol (0-100%LEL), 0-100%vol

Accuracy: For range 0-1%vol: ±0.06%

        For range 1-100%vol: ±6% of reading

        For range 0-100%LEL: ±5% LEL

Warm up: 30s

Response time T90: <25s at 20℃

Working voltage: DC 3.7v; 1300mAh lithium battery

Signal output: LED display + audible-visual alarming

Working temperature: -20℃ to  55℃

Dimensions: 100*68*31.5mm

Stand-by time: ≥ 10 hrs

Lifespan: ≥ 10 years

1、Independent intellectual property rights of infrared gas analysis technology.

2、Dual-range setting with high concentrations of methane gas leak detection and alarm function.

3、High and low alarm points can be customized settings.

4、Air auto-zero calibration feature.

5、Proliferation Sampling.

6、Fast response.

7、LED digital tube display real-time gas concentrations.

8、Rechargeable lithium battery.

9、Small size, simple operation.



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