Table of Contents
Advertisement
The screen displays the test value of the CO
tration FCO
.
2
This value must agree to within ±3 Vol.% with the speci-
fication on the test filter.
Example: 4.1 Vol.% on the filter:
permitted value range: 3.8 to 4.4 Vol.%
If the test value is outside the permitted tolerance, the
test gas must be checked or calibrated.
Push the CO
sensor back on to the cuvette.
2
Checking CO
calibration with calibration gas
2
– if the specified calibration value was not met when
testing with the test filter
– at least once per half-year.
Switch on Evita 4. Wait about 3 minutes for the CO
sensor to complete its warm-up phase.
Press the »Calibration« key.
Display (example):
Touch the »CO
« screen key.
2
concen-
2
2
Operation
Calibrating
4,1 Vol%
103
Advertisement
Table of Contents
