MQ 3 SENSOR MODULE

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SKU: SS20 Categories: ,

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.

The MQ 3 GAS sensor has a very hight sensitivity to Alcohol gas. The sensitive material of MQ3 Sensor is SnO2, which has lower conductivity in clean air. When the target alcohol gas exist, the sensor’s conductivity is higher along with the gas concentration rising. MQ 3 GAS sensor has high sensitivity to Alcohol, and good resistance to disturb of gasoline, smoke and vapour. The sensor could be used to detect alcohol with different concentration, it is with low cost and suitable for different application.

Features of MQ 3 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 MQ 3 Alcohol GAS Sensor:-

Drunk Driver detection system
Portable alcohol detector.

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