Analog Alcohol Gas Sensor (MQ3)

  • Product Code: SEN0025
  • Reward Points: 18
  • Available in stock
  • $10.38

  • Ex Tax: $9.35
  • Price in reward points: 1870


Analog Alcohol Gas Sensor (MQ3)

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.
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(1.43"x1.05")
Wiki Doc         

Shipping List:
Analog Gas sensor (MQ3) x1
Analog Cable x1
Improvement List:
Standard assembling structure (Times-of-5mm Center distance between four 3mm(0.12") 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

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Tags: analog, alcohol, gas, sensor, (mq3), sensors