3-16 Operation of the Ecotec E3000
kina22e chapter 3.fm technical handbook(1206)
3.5.2 Internal calibration
Notice: The description of how to perform an internal calibration applies to the use
of the ECO-Check reference leak for detecting helium or hydrogen (forming
gas) accordingly.
Notice: An internal calibration can only be performed while the Ecotec E3000 is in
measurement mode (not when the main menu is opened or during start-
up).
If the sniffer tip is inserted into the opening of the ECO-Check reference leak with the
right probe button pressed while in measurement mode, a calibration will be started
automatically.
While holding the sniffer tip in the test leak opening, the Ecotec E3000 will first look
for a baseline, find the Argon peak of the air and then measure the test leak.
Afterwards the operator will be requested to remove the sniffer tip from the leak
opening.
After completion of the calibration a screen summarizing the results of the calibration
will be displayed.
For gases that are allowed for internal calibration the old and new calibration factor
and the old and new relative peak position will be stated.
If a gas cannot be calibrated internally, in the listing the message “int. calibration
impossible” will be displayed for these gases.
If a gas has been disabled for internal calibration in the “
EDIT GAS” menu, the
message “Gas disabled” will be displayed.
To avoid unintended overwriting of a previous external (more accurate) calibration,
the operator needs to “confirm to save the new values”.
The saving of the new values may be password protected.
Fig. 3-19 Results of internal calibration
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