Alcohol Gas Sensor MQ-3

24 July 2014 - Gas Sensors, Hypsine Tutorial Point, Sensors - Hypsine Electronics - No Comments

Price : Rs. 275/- (Tax excl.)
Part No: SEN-1297
Weight: 0.03Kg

Alcohol Gas Sensor MQ-3

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. Just meassure the voltage across the resistor and confirm !!


Alcohol Gas Sensor MQ-3 Features:

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


  • 16.8mm diameter
  • 9.3 mm height without the pins

hypsine electronics documents help point:

Leave a Reply