Inficon 550-520, Translation Of The Original Operating Instructions

Page: 58 / 146

6 | Operation INFICON
58 / 146 UL6000-Fab-Operating-instructions-iina75en1-04-(2109)
ð
The internal background is created from the remaining gas, which has not yet
been pumped out. Very clean systems show a background in the range of 1 x
10
-11
mbar l/s. Under normal conditions there is a background of 1 x 10
-10
mbar l/s or 1x10
-9
mbar l/s. For the mathematical treatment of the internal
background, see "Change background suppression [ } 72]”.
4 Save .
6.2.7 Change units
For the vacuum operation mode you can select between "Torr·l/s", "atm·cc/s", "Pa·m
3
/
s", and "mbar·l/s".
After switching the operation mode "Sniffer" in addition to the modes mentioned above
you can also select between the units "oz/yr", "g/a" and "ppm".
You can also choose between the following pressure units: “mbar”, “Pa”, “atm” and
“Torr”.
ü
Operator or Supervisor rights
1 > Setup > General > Units
2 If necessary change the units of the "Leak rate unit vacuum", the "Leak rate unit
sniff" and the "Pressure unit".
ð
The option “Equal to display “ is activated according to the factory settings so
that the units for the interface can be shown exactly as the units of the device.
3 In order to independently select the units of the interface deactivate the option
"Equal to display.
ð
Further fields to set the units of the interface are shown.
4
To order to set the selected units if required, so that they can also be used for
the interface, activate the option "Equal to display".
5
Save .
6.2.8 Change audio settings
In addition to the visual display of the measurement results you can change the
settings to the volume, to the Notification beep and to the audio alarm.
CAUTION
Damage to hearing due to loud audio
The alarm level of the device can exceed 85 dB(A).
► Set the volume up to a maximum of "5".
► Use suitable hearing protection at volume settings above "5".
ü Operator or Supervisor rights