6 | Operation INFICON
44 / 104 Ecotec E3000-Operating-instructions-kina22en1-28-(2211)
6.4.2.1 Internal calibration with ECO-Check
NOTICE
Incorrect calibration because of operating temperature that is too low
Calibrating the device in the cold state can deliver incorrect measurement results.
► The device must have been switched on for at least 60minutes before calibration
for hydrogen measurement.
► The device must have been switched on for at least 20minutes before calibration
for the measurement of all gases.
The ECO-Check must be installed; refer to installation manual of the ECO-Check.
Fig.25: Built-in ECO-Check calibrated leak
If a gas measurement cannot be calibrated with the ECO-Check because the gas
mass position is outside of 40 to 105amu, the message “Int. calibration impossible” is
displayed for this gas subsequent to calibration.
If a gas was blocked for internal calibration in the “Settings gas” menu, the message
“Gas deactivated” is displayed, see "Selecting the gas, changing gas parameters,
activating measurement [}40]."
The Ecotec E3000 notices if you insert the sniffer tip in the opening of the calibrated
leak and starts calibration automatically. Messages subsequently guide you through
the calibration process.
A warning is displayed if the device has not be switched on for 20minutes yet. Simply
confirm the warning and then continue with calibration if you know that the device has
reached operating temperature because it was switched off only briefly before
calibration. Otherwise remove the sniffer tip again and start calibration later.
After measuring and a short calculation period, the results of calibration are shown in
the display. The old and the new calibration factor as well as the old and the new
relative peak position are displayed.
In order to prevent an earlier external and thus more accurate calibration from being
accidentally overwritten, you have to press the “Confirm new values” button to
complete the calibration.
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