INFICON Operation | 6
Ecotec E3000-Operating-instructions-kina22en1-28-(2211) 47 / 104
You can also take a different pressure and/or different concentration between original
gas and gas equivalent into consideration.
An internal conversion of the measurement result thus allows the Ecotec E3000 to
approximate the result of a leak pre-check close to the result of a main leak
examination.
Enter the settings for concentration and pressure in the “Settings gas…> Status >
Change > Equivalent settings” window.
Fig.27: Setting the parameters for gas equivalent and diluted gas
In this window, you can enter the helium or hydrogen filling pressure. You can enter
the pressure for the equivalent gas next to that.
The bottom right shows the correction factor of helium/Hydrogen based on the gas
equivalent. If a set of parameters that exceeds the limits of the Ecotec E3000 is
entered, the correction factor is displayed with inverted colors. In this case, adjust the
parameter until the correction factor display returns to normal.
On the bottom left, you can enter the value for the gas concentration. If you are
looking for diluted helium or hydrogen, you can take the dilution into consideration in
this setting. The leak rate for the undiluted gas is then displayed as the measured
value.
Select “OK” when all parameters are set correctly.
Please note: If you are working with diluted gas, you have to select the original gas as
gas equivalent, i.e. gas and gas equivalent are identical.
Switching off the gas
equivalent function
To switch off the gas equivalent setting, select the last entry from the gas library
(Settings gas …> Status > Change > Equivalent name).
Fig.28: The last entry switches off the gas equivalent function
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