What is a good CO2 value?
A CO2 monitor gives an accurate indication of CO2 values in PPM (Parts per million).
The CO2 monitor will sound an alarm if the CO2 concentration reaches a dangerously high level.
400
Healthy outdoor air level
600
Healthy indoor climate
800
Acceptable
1000
Ventilation is desirable
1200
Ventilation is necessary
2000
Negative health effects
5000
Dangerous with prolonged exposure
What exactly do the LED indicators on the CO2 monitor mean?
Green:
A PPM value of less than 800 means the room is well ventilated.
Orange:
A PPM value between 800 and 1200, this means that ventilation is desired.
Red:
A PPM value of more than 1200 PPM, ventilation is necessary.
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