© PCE Instruments
2
2
Device description
2.1
Front side / CO
2
traffic light
CO
2
good / green:
0 … 599 ppm
CO2 OK / yellow:
600 … 1199 ppm
CO2 poor / red:
1200 … 9999 ppm
2.2
Rear side
1.
Mode key
2.
Up key
3.
Down key
4.
Alarm key
5.
°C / °F key
6.
Socket for power supply