Alcohol Gas Sensor - MQ-3

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 analogue resistive output based on alcohol concentration.

AUD$ 7.95

Out of Local Stock  

We can ship 70 more in 7 days

Our Code: SKU-000267

Supplier Link: [SparkFun MPN:8880]


Description

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 analogue 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.


Specifications

  • 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

Resources

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