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October 16, 2018 at 9:29 am
#6165
Keymaster
Hello @Baskin, I raised this question with the manufacturer of the Ozone sensor. After passing them all relevant info, I finally receive their input:
As checked with our engineers, it seems that the ambient air does not have too much O3 concentration.
If actual ozone concentration is very small, then ZE25-O3 may have output value for 20ppb or 50ppb.
The value will increase as ozone concentration increases.BTW, you can breathe a breath at the sensor, and check whether ZE25-O3 value will change or not.
Thanks
Radu