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Products: Infrared Methane Gas Transmitter—CJH Series
Category: Gas Detector
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Introduction Applications Specifications Features
CJH series infrared methane transmitter adopts international advanced NDIR non-dispersed infrared technique, it is mainly used in coal mine, natural gas, CBM (Coal bed methane), rubbish filling, sewage treatment, anaerobic fermentation and other fields for CH4 gas leakage detection and high concentration CH4 measurement.

1、Petrochemical processing.

2、Mining, metallurgy.

3、Fuel gas transport, as well as the leakage of nature gas.

4、Power generation.

5、Gas storage and distribution.

6、Marine and cargo handling.

7、Telecommunications, oil wells.

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: <30s at 20℃

Working voltage: 9-27v

Output: RS485/4-20mA

Working temperature: -10℃ to  55℃

Dimensions: 195*145*105mm

Lifespan: ≥ 10 years

1、Proprietary infrared gas analysis technology, with high accuracy, high resolution, long life and easy maintenance.

2、High and low alarm settings, two levels of audio and light alarms.

3、Automatic zero calibration with air.

4、Diffusion-type sampling methods.

5、Fast response and Immune from poisoning.

6、Real-time displaying gas concentration with LED.

7、Audible alarm device to prevent accidents and ensure the safety of life.

8、Metal case for industrial online monitor.



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