D39374 | Date 08/2018
57
Menu mode
7.5.2
Pressure calibration
The pressure can also be calibrated using three selectable adjustment points. The mini-
mum distance between the calibration points is 20 mb. The setting range is
±
20 mb.
For pressure adjustment, you will need a calibrated pressure reference measuring
device.
CAL 1
+3 mb
CAL 3
-4 mb
CAL 2
+5 mb
1000 mb
200 mb
500 mb
900 mb
5 mb
factory calibration
Fig. 36
Schematic example of pressure calibration
Example: Pressure at 600 mb is to be calibrated.
1. Connect the calibrated pressure gauge to the VO fresh air connection (see page 13)
via ISO-KF connection size DN 16.
2. Activate the adjustment setting. To
do so, press the activation key on the
right of the
TIME
display. The display is
enlarged.
Cal1
°C
-0,2
K
Cal2
100.0
°C
+0,1
K
Cal3
180.0
°C
-0,2
K
Temperatur
letzte Justierung 12.10.2012 12:00
40.0
C
K
0,2
-
C
K
0,1
+
C
K
0,2
-
g
Temperature
Vacuum
Cal1
Cal2
Cal3
100.0
180.0
40.0
3. Turn the turn control until
Vacuum
is
highlighted.
Temperature
40.0
Vacuum
Cal1 50.0 mb 0.0 mb
Cal2 500.0 mb +4.0 mb
Cal2 950.0 mb 0.0 mb
4. Press the confirmation key repeat-
edly, until the calibration point
Cal2
is
selected.
r
40.0
Cal1 50.0 mb 0.0 mb
Cal2
500.0
mb +4.0 mb
Cal2 950.0 mb 0.0 mb
Summary of Contents for VO Series
Page 67: ......
