
5
5.1
Operation
Power on/off
Fig 3
.
·
Initial display
Operation
!
ATTENTION!
Calibrate the Wohler COL 210 at fresh air, before
using it fort he first time (see chapter 8).
Plug in the power supply and the meter turns on
automatically with a short beep. The readings will
immediately appear in the display.
!
ATTENTION!
If the voltage is too high or low, "bA
r
will flash in
the display. (Please see chapter 9 "Trouble shoot
ing").
&WARNING!
Risk of electrical shock!
Never touch the jack with wet hands!
Protect the power supply against water and mois
ture!
Do not unplug the power supply by pulling the ca
ble!
Do not use the power supply when the voltage
requirements of the recharger and the supply do
not match!
The display will show the current CO
2
-value, the
temperature, humidity, date and time.
The air quality level is indicated as good, normal
or poor, see Fig. 3.
39
EN
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176