How long is the sensor lifespan for a 4-in-1 gas detector?

Ningxia Four-in-One Gas DetectorSensor lifespans vary by type, and here are some common sensors with their approximate lifespans:

Electrochemical sensors: commonly used for detecting gases such as oxygen, their normal service life is typically Approximately 2 years. However, in harsher environments such as high temperatures, high humidity, and high concentration of gases, or if used frequently, its lifespan may be reduced to 1 year or even shorter.

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Catalytic Combustion Sensors: Primarily used for detecting flammable gases, their lifespan is typically... 3 to 5 years. However, frequent use in high-concentration flammable gas environments, or exposure to strong vibrations and collisions, may reduce the catalyst activity and thereby shorten the lifespan of the sensor.

Infrared Sensors: Often used for detecting gases such as carbon dioxide, with a relatively long lifespan, typically reaching 3 to 5 years or more. As long as the optical components remain clean and undamaged, and are used under suitable environmental conditions, they typically maintain good performance.
Photoionization Sensors: Capable of detecting volatile organic compounds and other gases, typically with a lifespan of The product's lifespan is 4 years or longer. However, its performance may be affected by environmental factors such as humidity and dust. If used in harsh conditions for an extended period, its lifespan may also be shortened.