Airvital CO2 PPM Manuel page 16

Color Indication for CO2 levels
The CO2 values on the display will change color
depending on the carbon dioxide concentrations.
Air Quality
Good
Moderate
Bad
Severe
Charging
During charging, the temperature sensor can be
influenced. We recommend leaving the device plugged
in for more accurate temperature measurements. Use
the included charger to charge the device. The standby
time is 6 hours. Charging takes 2 hours.
CO2 Air Quality
CO2 PPM
0-999
1000-1499
1500-2499
>2500
ENG
Color
Green
Yellow
Red
Purple
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