Alcohol Ethanol Sensor Module MQ-3

An alcohol sensor detects the attentiveness of alcohol gas in the air and an analog voltage is an output reading.

• Model Number: MQ-3
• Working temperature: 20 degree ±2 degree
• Load resistance:  adjustable
• Heating Power: ≤ 900mW
• The sensor can measure concentrations of 0.04mg/L to 4mg/L.