Linxon LX218 - Checking the Calibration Using the Internal Calibration Leak

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7. If the typical values are not reached despite repeated attempts, contact your
nearest Linxon Service Center
6.4.10.3 Checking the calibration using the internal calibration leak
This function is available for the "Vacuum" operation mode and with mass 4. For this
measurement, the test port must be blind-flanged.
Standby > Calibration > Check internal calibration leak
1. Check if the test port is blind-flanged. If the test port is blind-flanged, proceed to
the next step.
2. Press "Yes".
3. Press "START" to start the measurement for the internal calibration leak. The
evacuation is initiated. The measurement of the internal calibration leak begins.
The display shows the measured calibration leak value. The default value for the
internal calibration leak (TL value) is also displayed.
Cancel the measurement of the internal calibration leak with "Cancel".
If the measured value deviates from the target value, calibrate again.
Influences such as temperature or air pressure also have a minor influence on the
measurement results for the internal calibration leak. Although the absolute accuracy
of the measurement system can not be guaranteed, you can use the measurement
results for the internal calibration leak as a reference.