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Alcohol Gas Sensor

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.

  • 5V DC or AC circuit
  • Requires heater voltage
  • Operation Temp.: -10 to 70°C
  • Heater: less than 750mW