
Product Details
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: 40×20×12mm
 - Heater Voltage: 0.9V ± 0.1V AC or DC
 - Heater Current: 120±20mA
 
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