26
External Gas Meter
(not supplied)
CO
2
O
2
5.00%
0.51 %
Reading values
CO2-O2-UNIT-BL [0-10; 0-1]
Figure 32. External Gas Meter Connection.
Once you have connected the external gas meter to CO2-O2 Unit-BL [0-10; 0-1], wait until it steadily reads CO2
and O2 values and make sure that the system remains stable over time.
2.
Press on the
External Probe
Tab (as shown in Figure 33, a) in
Offset
page on the OKO-TOUCH display. Press on
+/-
icons to input the CO2 (1 in Figure 33, b) and O2 (2 in Figure 33, b) levels read by the external meter (i.e.
5.0% for CO2 and 0.51% for O2), then press
Save
to continue (3
in
Figure 33, b).
a
b
3
2
1
Figure 33. Offset Calibration
–
start (a
–
b).
Note
►
The Touch Screen will go back to the previous screen. It will display on the left (External Probe tab)
the CO2 and O2
levels read by the external Gas meter, as just input. The value in CO2-O2 Unit tab is the value
read by CO2-O2-UNITL-BL [0-10; 0-1] (see Figure 34).
3.
Press
Adj CO2
(see Figure 34) and/or
Adj O2
to make a calibration using the input value from the external gas
meter as a reference.
