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Gas Detector sensor life is how long
Nov 01, 2018

How long does the gas detector sensor last? For many people who buy gas detectors, I don't know how long it can be used, and some even think that they can be used all the time. This kind of thinking is wrong.

The life of a gas detector depends mainly on its main component, the sensor.

We also know that it is impossible to have a sensor that can detect all the gases and meet all the requirements. The various gases and sensors used in various environments are also different. They can be roughly divided into: sensors for detecting the concentration of toxic gases and for A sensor that detects the explosive concentration of a combustible gas.

Most of the sensors used to measure the concentration of toxic gases are electrochemical sensors. It is a sensor based on the principle of electrochemistry. The main factor affecting its life is the electrolyte. After 2 to 3 years, the electrolyte can no longer be consumed by the electrolyte. Normal operation, so the life of the electrochemical sensor is 2 to 3 years.

Most of the sensors used to detect the concentration of flammable gases are catalytic combustion sensors, which have a service life of 3 to 5 years. In addition, the life of a gas detector (including a stationary gas alarm and a portable gas alarm) sensor has a large relationship with the concentration it exposes. For example, if the sensor of an ammonia detector is continuously exposed to 2ppm ammonia, its life is about one year (or 2ppm.. annual life). If it is exposed to 4ppm ammonia, there are only six. The life of the month. Thus, the ammonia sensor is not suitable for use in a fertilizer plant because the concentration of ammonia is on average about 20 to 30 ppm.