[RETIRED] MQ131 ozone sensor breakout

SKU: 000037
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Retired Product

This product has been retired from our shop and is no longer for sale. This page is made available for those looking for datasheets and the simply curious. If you’re interested in buying a similar product, check out the replacement product below.


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Product Description

This product is retired and we won’t sell it anymore. This page is for reference only.


This breakout for the MQ131 sensor responds to the presence of ozone in the air. As the ozone concentration increases, the resistance changes and the ozone concentration can be measured by measuring the analogue output voltage. The sensor is of good precision and is normally used in ozone concentration detectors. There is a 3362 potentiometer on the board with which the digital signal threshold can be set. There is a digital and analogue output via the male pins.

Product features

Key features

  • Sensor: MQ131
  • Detects: ozone
  • Detection range: 10 ... 1000ppb ozone
  • Power supply: 5 V
  • Output: 1V at 200ppb O3

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