Gas Sensors

Alcohol Sensor (MQ303)

Posted On June 21, 2019 at 11:26 am by / Comments Off on Alcohol Sensor (MQ303)

Sensor TypeSemicoductor
Detection GasAlcohol
Concentration20-10,000 ppm
Humidity20dg C

The Alcohol Sensor MQ303A is a semiconductor sensor for Alcohol detection. It has very good sensitivity and fast response to alcohol, suitable for portable alcohol detector.


  • High sensitivity
  • Fast response and resume
  • Long life and low cost
  • Mini size