Gas detectors are devices that are used to measure the amount of gas in an enclosed space. There are several types of gas detectors available in the market, and they all work in different ways. However, the basic principle behind all gas detectors remains the same – to detect the presence of gas and measure its concentration.

One of the most common types of gas detectors used in enclosed spaces is the diffusion detector. This type of detector uses a pump to draw air into the sensor, where it is mixed with a gas-sensitive material. If there is gas present in the air, it will react with the gas-sensitive material, causing the sensors to measure the gas concentration.

Another type of gas detector is the catalytic sensor. This type of sensor uses a catalyst to promote a chemical reaction between the gas and an oxidizing agent. If there is gas present in the air, it will react with the catalyst, producing a change in the electrical resistance of the sensor. This change is then measured and interpreted as a gas concentration.

In conclusion, gas detectors are important tools for measuring the amount of gas in enclosed spaces. They work by either diffusing the gas into the sensor or promoting a chemical reaction between the gas and an oxidizing agent. These detectors are used in various industries, including the oil and gas industry, chemical plants, and manufacturing facilities to ensure the safety of workers and the public.

Our product with the safe and reliable quality. It’s with the diffusion sampling mode, can be connected with the external pump. The portable gas detector can promise the security for the personnel working under the harmful environments.