The analog gas sensor - MQ3 is suitable for detecting alcohol, this sensor can be used in a Breathalyser.It has a high sensitivity to alcohol and small sensitivity to Benzine. The sensitivity can be adjusted by the potentiometer.
Standard assembling structure (Times-of-5mm Center di..
MQ303A is a semiconductor sensor for Alcohol detection. It has very good sensitivity and fast response to alcohol, suitable for portable alcohol detector.
Fast response and resume
long life and low cost
The Grove MQ3 Gas Sensor module is useful for gas leakage detecting (in home and industry). It can detect Alcohol Vapour.
The Grove - Gas Sensor module is useful for gas leakage detecting (in home and industry). It can detect LPG, I-Butane, Methane, Alcohol, Hydrogen, smoke a..
FeaturesSensitive for alcohol, ethanolOutput voltage boosts along with the concentration of the measured gases increasesFast response and recoveryAdjustable sensitivitySignal output indicatorWeight: 0.009 kgSpecificationsPower: 2.5V ~ 5.0VDimension: 40.0mm * 21.0mmMounting holes size: 2.0mmApplicati..