Carbon dioxide levels and guidelines:
Parts per million:
< 400 PPM
400 - 1000 PPM
> 1000 PPM
> 2000 PPM
> 5000 PPM
Product features:
•
Large LCD display that clearly shows:
•
CO2 concentration (PPM)
•
Temperature (⁰C or ⁰F)
•
Humidity (%RH)
•
Digital clock
•
7-day CO2 concentration history.
•
Automatic 24-hour calibration.
•
CO2, NDIR infrared sensor with 10-year lifetime.
•
Traffic light LED indicator green-yellow-red
•
Alarm sound and spoken warning in pre-set language. Dutch, French, German, English, Italian
and Spanish.
•
Built-in rechargeable battery, operating time 12 hours.
•
Self-adjusting brightness of LCD display and LED indicators. (night mode).
•
Wall-mounted and freestanding installation possible.
Normal outdoor air level.
Indoor area with good air circulation.
Poor air quality, ventilation required. May cause complaints of
fatigue and drowsiness.
Increase in fatigue, headache and lower concentration level.
Maximum concentration allowed at a workplace for up to 8
hours.
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