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Application of electrochemical gas sensor in the power cable in the production link

Information Source:Henan Huadong Cable Co., Ltd  Release date:2014-06-14

Flue gas analyzer is a production of boiler of power cable in the flue of harmful gases such as oxygen content of SO2, CO2 instrument, NO2, CO and smoke detection. Environment monitoring commonly used in the vicinity of coal-fired boiler, fuel boiler flue exhaust gas and pollution source. Gas sensor is the core component of flue gas analyzer, more commonly used electrochemical sensor for gas sensor.

Performance of electrochemical gas sensor is relatively stable, long life, fast response on the gas, not affected by humidity, resolution is as high as 0.1 μ mol/mol. The temperature adaptability is wide (can work at -40~50 ℃), temperature compensation and many instruments have hardware and software. At the same time, the electrochemical sensor has small volume, simple operation, easy to carry, can be used for field monitoring and cost etc.

According to the detection principle, electrochemical gas sensor consists of catalytic combustion type sensor, constant potential electrolysis sensor, oxygen sensor, had cell type infrared sensor, PI D light ion sensor etc.. More use of flue gas analyzer at present is the constant potential electrolysis sensor, had cell type oxygen sensor.

The working principle of the constant potential electrolysis sensor, the electrolytic cell electrolyte solution interface maintained at a constant potential electrolysis, by adjusting the settings of the potential, selectively enable gas oxidation or reduction, thus various gas quantitative detection of power cable.

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