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MQ-03 Alcohal Sensor Module

$2.23 $2.48

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  • Product Code: PL-47-771
  • Availability: In Stock
  • Ex Tax: $2.23

They are suitable for alcohol checker, Breathalyser.

Structure and configuration of MQ-3 gas sensor is composed by micro AL2O3 ceramic tube, Tin Dioxide (SnO2) sensitive layer, measuring electrode and heater are fixed into a crust made by plastic and stainless steel net. The heater provides necessary work conditions for work of sensitive components.


  • High sensitivity to alcohol and small sensitivity to Benzene.

  • Fast response and High sensitivity

  • Stable and long life

  • Simple drive circuit.


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