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<div dir="ltr" data-setdir="false">Hi Cliff, I was wrong about the Cozir-A CO2 sensor. I thought the error was 3% full scale but it is 3% of measured reading similar to the Sensirion SCD-30. The Sensirion still wins with price and lifetime though.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div></div></body></html>