MQ-3 Alcohol Ethanol Sensor

Alcohol Ethanol Sensor Breath Gas Ethanol Detection MQ-3 for Arduino 

• 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! 

 Package included:

1set x  MQ-3