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

Specifications

• Power requirements: 5 VDC @ ~120 mA (heater on)
• Detection Gas: Alcohol
• Concentration: 20-1000ppm Alcohol
• Interface: 1 TTL compatible input (SEL), 1 TTL compatible output (DAT)
• Dimension: 402012mm
• Heater Voltage: 0.9V 0.1V AC or DC
• Heater Current: 12020mA

Application Ideas

• Alcohol level over-limit alarm
• Stand-alone/background sensing device
• Environmental monitoring equipment

Documents

• MQ303A Alcohol Sensor – Response Characteristics High Res PDF
• Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials