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Review on Supco IAQ50 CO2 Carbon Dioxide Meter Indoor Air Quality Monitor with Temperature, Humidity, Dew Point, and Wet Bulb - Desktop or Wall Mount by Clint Fick

Revainrating 5 out of 5

Informative, unobtrusive sensor

I was concerned about CO2 levels in my basement office. Levels turn out to be okay, but there are some fluctuations. 400ppm with the windows open indoors, about 950ppm max with the windows closed and I'm running. In the darkness I noticed that from time to time the inner light shines. I don't know how to determine CO2 or relative humidity. It does not bother me. A very useful, unobtrusive device.

Pros
  • Great design
Cons
  • No instructions