Analog Alcohol Sensor(MQ3)

$10.63

Part Number:  DF-SEN0128
Brand:  DFRobot Australia

Introduction The analog gas sensor - MQ3 is suitable for detecting alcohol, this sensor can be used in a Breathalyser.It has a high sensitivity to alcohol and small sensitivity to Benzine. The sensitivity can be adjusted by the potentiometer.   Notice:The new version of analog sensor port pin mapping has been changed as the following two features.Please check the tips for changing sensor cable pin...
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Introduction
The analog gas sensor - MQ3 is suitable for detecting alcohol, this sensor can be used in a Breathalyser.It has a high sensitivity to alcohol and small sensitivity to Benzine. The sensitivity can be adjusted by the potentiometer.
 
Notice:The new version of analog sensor port pin mapping has been changed as the following two features.Please check the tips for changing sensor cable pin mapping while using the I/O Expansion shield. We will continue to update. For the inconvenience caused, please understand.
 
 
 
 
Specification
  • Power supply: 5V
  • Interface type: Analog
  • High sensitivity to alcohol and small sensitivity to Benzine
  • Fast response and High sensitivity
  • Stable and long life
  • Simple drive circuit
  • Size: 36.4x26.6mm
 
Documents
Shipping List
  • Analog Gas sensor (MQ3) x1
  • Analog Cable x1
  • Acrylic Base(with nylon screws) x1
 
Improvement List
  • Standard assembling structure (Times-of-5mm Center distance between four 3mm mounting holes)
  • Easily recognitive interfaces of sensors ("A" for analog and "D" for digital)
  • Icons to simplely illustrate sensor function 
  • High quality connector & potentiometer
  • Immersion gold surface