38 6 Operation
Translation of the original operating instructions Ecotec E3000, kina22en1-19, 1507
6.4.2.1 Internal calibration with ECO-Check
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 105 amu, the message “Int. calibration impossible” is displayed
for this gas subsequent to calibration.
If a gas was blocked for internal calibration in the menu “Settings gas”, the message “Gas
deactivated” (see “Internal calibration”, page 36) is displayed.
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 20 minutes 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 probe 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 that an earlier external and thus more accurate calibration is
accidentally overwritten, you have press the key “Confirm new values” to complete the
calibration.
1 Switch to measurement view.
2 Insert the sniffer tip in the opening of the ECO-Check until you feed some resistance.
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 60 minutes before calibration for
hydrogen measurement.
► The device must have been switched on for at least 20 minutes before calibration for
the measurement of all gases.
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