MQ3 Ethanol Alcohol Gas Sensor for Arduino/Raspberry-Pi/Robotics

The alcohol gas sensor detects the concentration of alcohol gas in the air and outputs its reading as an analog voltage. The concentration sensing range of 0.04 mg/L to 4 mg/L is suitable for breathalyzers. The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V.

Features of MQ3 Ethanol Alcohol Gas Sensor:

• High sensitivity to alcohol, gasoline, Smoke and small sensitivity to Benzine..
• Fast response and High sensitivity.
• Stable and long life.
• Simple drive circuit.

Applications of MQ3 Ethanol Alcohol Gas Sensor:

• MQ303A is semiconductor sensor is for Alcohol detection, It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector.

Note: Images shown is only for representation. The actual product may vary with the picture shown.

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