Description:
The MQ3 analog alcohol/ethanol sensor is suitable for detecting alcohol fumes. The sensor is highly sensitive to alcohol fumes with low sensitivity to Benzene. The sensitivity can be manually adjusted by the potentiometer which is located on the back of the sensor.
Specifications:
Input voltage: 5V DC
Power consumption (Current): 150mA
Interface type: Analogue
D0 output: TTL digital 1 and 0 (0.1 and 5V)
A0 output: 0.1 – 0.3V (Pollution Free)
Pin definition: 1-Output 2-GND 3-VCC
Alcohol detection range: 10 ~ 1,000 PPM
Highly sensitive with a quick response
Connection mode:
VCC: Positive (5V)
GND: Negative
D0: TTL switch signal output
A0 Analog signal output
Dimensions: approx. 3.5cm x 2.3cm
Contents:
1 x Analogue Alcohol Ethanol Sensor (MQ3)