MQ-3 Alcohol Vapor Sensor – Semiconductor-Based Breathalyzer-Grade Detection Element

Description

• Fast response and High sensitivity.
• Stable and long life.
• Simple drive circuit.

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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 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.

Application of MQ3 Alcohol GAS Sensor:-

• Drunk Driver detection system
• Portable alcohol detector.

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