Description
The MQ303B alcohol gas sensor is a tin dioxide semiconductor alcohol sensor that has a high sensitivity and rapid response. It is suitable for portable alcohol detectors and car ignition system. It has a circuit voltage of less than 6V DC and a heating voltage of 0.9V plus or minus 0.1V AC or DC. The load voltage can be adjusted. The MQ303B has a heating resistance of 31 ohm plus or minus 3 ohm and a heating power consumption of less than or equal to 900mW. Its sensitivity is Rs(in air)/Rs(125ppm alcohol) more than or equal to 3.
Overview MQ303B is a tin dioxide semiconductor alcohol gas sensor, the alcohol has a high sensitivity and rapid response, suitable for portable alcohol detectors and car ignition system and so on. Specification -Circuit voltage: less than 6V DC
-Heating voltage: 0.9V plus or minus 0.1V AC or DC
-Load voltage: adjustable
-Heating resistance:31 ohm plus or minus 3 ohm
-Heating power consumption: less than or equal to 900mW
-Sensitivity: Rs(in air)/Rs(125ppm alcohol) more than or equal 3 Shipping List -MQ-303B *1
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