6 | Operation INFICON
56 / 108 XL3000flex-Operating-instructions-jina83en1-07-(2105)
You have a choice of two methods:
• To conveniently set the correction factor, use the "Gas equivalent selection
[}56]". There, the correction factor can be selected from a self-defined list, see
"Configure gas list [}56]", or switched back to the tracer gas.
• Alternatively, it is possible to calculate and configure the correction factor. For
information on calculation, see "Calculate equivalence factor [}57]". For
information on configuring the device, see "Set equivalence factor and molar mass
[}58]".
6.3.2.1 Gas equivalent selection
1
Control unit: Settings > Set up > Operation modes > Equivalence leak rate >
Gas equi.".
2
In the window "Gas equivalent selection", you can respond to different
situations:
ð If the desired gas equivalent is already stored (numbers 1 to 4), select the
desired gas equivalent number and confirm with "OK". The gas name and the
equivalence factor of this gas equivalent are then displayed at the top left in
the measuring window. You can perform measurement.
ð If the desired gas equivalent is not stored, it must be configured, see
"Configure gas list [}56]".
ð If you do not find a suitable entry in the 4 gas equivalents and also do not
want to change these, you can calculate the correction factor as an
alternative. In the window "Gas equivalent selection" select the entry "User-
defined" and configure the correction factor, see "Set equivalence factor and
molar mass [}58]".
ð If you want to switch from the display of the gas equivalent in the measuring
window back to the measurement value of the measuring gas, select "Switch
off" and confirm with "OK".
The options "Switch off" and "Gas equivalent no. 1...4" overwrite parameters, see "Set
equivalence factor and molar mass [}58]".
If you select the option "User-defined", parameters then have to be configured, see
"Set equivalence factor and molar mass [}58]".
6.3.2.2 Configure gas list
You can predefine up to 4 equivalence gases and assign names to them. The
equivalence gases can then be selected in the gas equivalent selection, see "Gas
equivalent selection [}56]".
1
Control unit: Settings > Set up > Operation modes > Equivalence leak rate >
Configure gas list
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