MQ-3 is a semiconductor sensor for Alcohol detection. It has very good sensitivity and fast response to alcohol, suitable for portable alcohol detector.
Sensitive material of MQ-3 gas sensor, which has a lower conductivity in clean air. When the target alcohol gas exist, The sensors conductivity is more higher along with the gas concentration rising.
MQ-3 gas sensor has high sensitivity to Alcohol, and has good resistance to disturb of gasoline, smoke and vapor. The sensor could be used to detect alcohol with different concentration, it is with low cost and suitable for different application.
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