MQ3 Alcohol Ethanol Sensor Breath Gas Ethanol Detection MQ-3


Out of stock

SKU: 5030 Category:


  • Alcohol Detector
  • Condition: New
  • Size: approx. 32 x 22 x 27mm
  • Main chip: LM393, ZYMQ-3 gas detector
  • Working Voltage: DC 5V
  • With signal ouput instructions
  • Two-way signal output (TTL level output and analog output)
  • TTL output effectively signal for low level(when the output low level signal lights, can directly connected microcomputer)
  • Analog output 0 ~ 5v voltage, the higher the concentration, the higher the voltage
  • Has a high sensitivity and good selectivity
  • Has long service life and reliable stability
  • Rapid response recovery features
  • For motor vehicles and other prohibition drunken drivers homework personnel on-site testing, also used in other places of ethanol vapor detection
  • Color is shown as pictures
    PLS NOTE that due to lighting effects, monitor’s brightness/ contrass settings ect, there could be some slight differences in the color tone of the pictures and the actual item!

Additional information

Weight 0.1 g