MQ-3 Alcohol Ethanol Gas Sensor Module

KShs500

MQ-3 Alcohol Ethanol Gas Sensor is a low cost semiconductor sensor. It can detect the presence of alcohol gases including alcohol, benzine, methane, hexane, CO and LPG.

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Description

MQ-3 Alcohol Ethanol Gas Sensor is a low cost semiconductor sensor. It can detect the presence of alcohol gases including alcohol, benzine, methane, hexane, CO and LPG. It is uses SnO2 material, whose conductivity is lower in clean air. Its conductivity increases as the concentration of alcohol gases increases. Additionally is has a high sensitivity to alcohol and has a good resistance to disturbances due to smoke, vapor and gasoline. 

Features of MQ-3 Alcohol Ethanol Gas Sensor

  • Good sensitivity to alcohol gas
  • Long life and low cost
  • Simple drive circuit
  • 5V operation
  • Easy to use
  • LEDs for output and power
  • Analog output 0V to 5V
  • Digital output 0V to 5V
  • Both Digital and Analog Outputs
  • Lastly, it is Compatible with most of the microcontrollers

Applications Include;

  • Used for Vehicle alcohol detector
  • Portable alcohol detector
  • Also used as Breathalyzer.
  • Lastly in Toys

 

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