Carbon monoxide alarm is an important security device to detect the concentration of carbon monoxide gas leakage.There are different kind of co gas detector used in different industries.
First: According to the type of co sensor:
There are two common carbon monoxide sensors: electrochemical sensors and semiconductor sensors.The electrochemical sensor has high precision and good stability, so its price is relatively high.The electrochemical sensor has a low power consumption and can be made into a battery-powered alarm.Semiconductor sensors consume a high amount of power and are usually battery-free.
Second: According to the function:
According to whether there is control output can be divided into two kinds：carbon monoxide alarm with control output and without control output.Carbon monoxide alarm with control output is in the output of sound and light alarm signal also output switching signal, usually is normally open contact or normally closed contact, can be used to drive the exhaust fan or forcibly open the window.Without control output is only output sound and light alarm signal, no other signal output.
Third, According to the application:Industrial and domestic use carbon monoxide alarm detector.
Industrial carbon monoxide alarms are expensive, require very high precision, temperature and zero drift are very small, some special occasions often need to use explosion-proof shell.Industrial carbon monoxide detector use imported electrochemical sensors.Carbon monoxide detector used in families are mainly used in ordinary families, small entertainment places, small factories and small chemical laboratories, etc., which are relatively small in appearance and low in price.
Two kind of industry use CO gas detector: portable and fixed type
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