Analyze the classification and difference of carbon monoxide detectors

1. According to the type of sensor:

There are two types of sensors for commonly used carbon monoxide detectors: electrochemical sensors and semiconductor sensors. Electrochemical sensors have high precision and good stability, so the price is relatively high. The electrochemical sensor has low power consumption, and the resulting alarm can be powered by a battery. Semiconductor sensors consume a lot of power and are usually not powered by batteries.

2. According to the function points:

According to whether or not the control output is divided into two types, the control output and the carbon monoxide alarm without control output. The carbon monoxide alarm with control output is also outputting the switch signal while outputting the sound and light alarm signal, usually a pair of normally open contacts or a pair of normally closed contacts, which can be used to drive the exhaust fan or forcibly open the window. . Without the control output, only the audible and visual alarm signals are output, and no other signals are output.

3. According to the application:

Can be divided into industrial and household carbon monoxide detectors. Industrial carbon monoxide detectors are expensive, require very high precision, and have low temperature and zero drift. In some special cases, explosion-proof enclosures are often required. Industrial carbon monoxide detectors must use electrochemical sensors. Household carbon monoxide alarms are mainly used in ordinary homes, small entertainment establishments and small factories, as well as small chemical laboratories. The appearance is relatively small and the price is relatively low.

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