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    This product was added to our catalog on Wednesday 17 September, 2014.

    Alcohol Gas Sensor - MQ-3
    [CM-SEN-08880]

    Price:  Rs466.00(Including Tax)
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    Description: This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor. A simple interface could be a 0-3.3V ADC.

    Please review the datasheet for conversions to ppm then Wikipedia.org for BAC.

    Features:

    • 5V DC or AC circuit
    • Requires heater voltage
    • Operation Temperature: -10 to 70 degrees C
    • Heater consumption: less than 750mW

    Dimensions:

    • 16.8mm diameter
    • 9.3 mm height without the pins

    Documents:

    • Datasheet
    • Arduino Tutorial in Portuguese
    • Wiring Example
    • Arduino Breathalyzer
    • Another Breathalyzer
    • bildr Tutorial