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C2H5OH (Alcohol / Benzine) Gas Sensor

  • 605-00011: C2H5OH (Alcohol/Benzine) Gad Sensor
Product ID: 605-00011
In Stock: 6


Quantity limited to stock on hand.  The C2H5OH Gas Sensor is used in gas detection equipment for detecting alcohol such as in a breath analyzer. When paired with our Gas Sensor Board (#27983) it provides a development system and test platform for C2H5OH gas sensor design.

Key Features:

  • Manufacturer Model MQ-3
  • High sensitivity to alcohol
  • Stable and long life
  • Simple drive circuit
  • Fast response and high sensitivity
  • Plugs into our Gas Sensor Board (#27983)

Application Ideas:

  • Safety Devices (harmful gas detection)
  • Environmental Monitoring
  • Breath Analyzer

Note: Please refer to the manufacturer datasheet for more information and circuit recommendations.

Note: This sensor, paired with our Gas Sensor Board (#27983), replaces our C2H5OH (Alcohol/Benzine) Gas Sensor Module (#27904). Please note that on boards labeled 27983 pin 2 is active-high, and on boards labeled 27904, 27930, 27931, and 27932, pin 2 is active-low. 


  • Voltage requirements: 5VDC
  • Current requirements: ~160mA
  • Interface Type: Resistive
  • Dimensions: 0.75" diameter x 0.65" tall excluding leads (19.1mm diameter x 16.55mm tall excluding leads)
  • Operating temp range: +14 to +122 °F (-10 to +50 °C)

Downloads & Documentation

Product Specific Downloads
Download Details More Info
Gas Sensor Modules Product Documentation - 136.8 KB | updated: 07 Jan 2013 - 8:03 pm
MQ-3 C2H5OH Gas Sensor Datasheet - 55.11 KB | updated: 04 Oct 2012 - 2:38 pm