MQ3 Alcohol Gas Sensor

  • Rs. 160.00 INR


This Alcohol Sensor MQ3 is suitable for detecting alcoholconcentration on your breath, just like your common breathalyzer. It has a highsensitivity and fast response time. Sensor provides an analog resistive outputbased on alcohol concentration. The drive circuit is very simple, all it needsis one resistor. A simple interface could be a 0-3.3V ADC.



  • 5V DC or AC circuit

  • Requires heater voltage

  • Operation Temperature: -10 to 70 degrees C

  • Heater consumption: less than 750mW

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