The Detection Principle of Gas Test Gauge

Gas test gauge is an instrumentation tool for gas leakage concentration detection, including portable gas detectors, hand-held gas detectors, fixed gas detectors, online gas detectors, etc. The gas sensor is mainly used to detect the types of gases present in the environment. The gas sensor is a sensor used to detect the composition and content of the gas.

It is generally believed that the definition of a gas sensor is based on the detection target, that is to say, any sensor used to detect gas composition and concentration is called a gas sensor, regardless of whether it uses a physical method or a chemical method. For example, sensors that detect gas flow are not considered gas sensors, but thermal conductivity gas analyzers are important gas sensors, although they sometimes use generally the same detection principles.

According to the mode of use, it can be divided into desktop gas detectors and hand-held gas detectors

According to the number of gases that can be detected, it can be divided into a single gas detector and multiple gas detectors

According to the principle of gas sensors, they can be divided into infrared gas detectors, thermomagnetic gas detectors, electrochemical gas detectors, semiconductor gas detectors, ultraviolet gas detectors and so on.

The gas detector can detect various gases such as hydrogen sulfide, carbon monoxide, oxygen, sulfur dioxide, phosphine, ammonia, nitrogen dioxide, hydrogen cyanide, chlorine, chlorine dioxide, ozone and combustible gas, and is widely used in petrochemicals and coal, Metallurgy, chemical industry, municipal gas, environmental monitoring and other places on-site testing. It can meet the measurement needs of special occasions; it can detect gas concentration or leak detection in tunnels, pipelines, tanks, enclosed spaces, etc.

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