MQ-3 Alcohol Sensor Module

The alcohol detection has a better sensitivity. Detectable Concentration: 0.04-4mg/L*Application: For motor vehicle drivers and other non-drinking workers on-site inspection, but also for other places of ethanol vapor detection, detection of alcohol range.*0~5v analog output voltage. Detecting range: 10~1000ppm. Adjustable sensitivity. With fixed bolt hole for easy installation