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This meter measures CO2 concentration, air temperature, and relative humidity. The CO200 includes a 99 Memory Datalogger for storing and retrieving readings with date and time stamping. The audible alarms make this is an ideal instrument for indoor air quality (IAQ) diagnostics.
Carbon dioxide (CO2) is a gaseous component of the earth’s atmosphere. The concentration of CO2 in natural ambient air is approximately 0.04% or 400ppm.