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SUNROM ELECTRONICS

Alcohol Sensor - MQ3

Useful in making Breath Analyzer

Alcohol Sensor - MQ3

Sunrom Part# 4029

Available We dispatch same day if ordered by 4PM (excluding holidays), then courier usually takes 2-5 days.
Real Time Availability
Ready Stock: 8 nos.
Factory Leadtime for more quantity: 15 days

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor. A simple interface could be a 0-3.3V ADC.

Please review the datasheet for conversions to ppm then Wikipedia.org for BAC.

Features:

  • 5V DC or AC circuit
  • Requires heater voltage
  • Operation Temperature: -10 to 70 degrees C
  • Heater consumption: less than 750mW

Dimensions:

  • 16.8mm diameter
  • 9.3 mm height without the pins

Documents:

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