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MQ3 Alcohol Sensor Module

The MQ-3 module can detect alcohol, benzene, CH4, hexane, LPG, and CO. The sensitive material in the MQ-3 gas sensor is SnO2, which has a reduced conductivity in clear air. When the target alcohol gas is present, the sensor's conductivity increases in accordance with the increase in gas concentration. The MQ-3 sensor has a high sensitivity to alcohol and is resistant to fuel, smoke, and mist contamination. Based on the amount of alcohol in the system, this sensor produces an analog resistive output.
Features 
  • Sensor Type - Semiconductor
  • Both digital and analog output.
  • It provides an analog output corresponding to the concentration of the gas in the air. 
  • Sensitive to alcohol, ethanol
  • Fast response and recovery
  • Adjustable sensitivity
  • Signal output indicator. 
  • The carbon monoxide detection with better sensitivity.
  • Has a long service life and reliable stability.
  • Sensors | Detecting Alcohol, Benzine | Portable alcohol detector
Specifications 
Supply Voltage DC 5 V
Current Consumption 150mA
Detecting Concentration 0.05-10mg/L Alcohol
Dimensions 32 x 22 x 16 mm
Country of Origin China

 


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