C2H5OH (Alcohol / Benzine), 605-00011

£5.70 £4.75

This alcohol / Benzine sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer.


The C2H5OH (Alcohol / Benzine) Gas Sensor is used in gas detection equipment for detecting alcohol such as in a breath analyzer.

It has a high sensitivity and fast response time. Sensor provides an analogue 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.


  • Manufacturer Model MQ-3
  • High sensitivity to alcohol
  • Stable and long life
  • Simple drive circuit
  • Fast response and high sensitivity
  • 5V DC or AC circuit
  • Requires heater voltage
  • Operation Temp.: -10 to 70°C
  • Heater: less than 750mW