Can the MQ-2 gas sensor can be used for alochol sensing ?

Discussion in 'Embedded Systems and Microcontrollers' started by Saikiran Gurudu, Jul 10, 2016.

  1. Saikiran Gurudu

    Thread Starter New Member

    Jun 16, 2016
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    if it can be used . i wanted to why? and how?
     
  2. bertus

    Administrator

    Apr 5, 2008
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    Hello,

    Yes, it seems to be possible.
    There is a relative sensitivity chart in the datasheet:

    MQ2_sensitivity_chart.png

    Bertus
     
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  3. Kermit2

    AAC Fanatic!

    Feb 5, 2010
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    Yes, it can detect alcohol down to 100 ppm.
     
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  4. joeyd999

    AAC Fanatic!

    Jun 6, 2011
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    Looking at the chart, I'd say it can do far better than that.
     
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