6 | Operation
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UL3000-Fab-Operating-instructions-iina73en1-08-(1910)
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Note: The following setting does not apply if the vacuum range "Massive" is
switched on. See also “Activate vacuum ranges [
To change the maximum evacuation time after a gross leak is detected, enter
the desired time in seconds under "Max. evacuation time gross leak".
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This setting determines when a gross leak warning message is signaled. The
factory setting is 600 s. If the inlet pressure does not drop below 100 mbar
within this time span, a fault message is signaled. This menu point is
especially useful with series tests that always have the same test conditions.
After pressing the START button the specimen is evacuated. If the
corresponding pressure conditions (p1 < 100 mbar) is not reached within the
time that is to be set here or falls below, the pump down process is aborted
and a warning message appears in the display.
The time that is to be selected depends on the one hand on the desired
reaction time for the gross leak message and on the other hand on the
volume of the test object and from the effective pumping speed.
If the pump down process should not be aborted enter "0". This corresponds
to the entry "infinitely".
5
Note: The following setting does not apply if the vacuum range "Massive" is
switched on. See also “Activate vacuum ranges [
To change the maximum evacuation time before the measurement, enter the
desired time in seconds under "Max. evacuation time until measurement".
The “Max. evacuation time until measurement“ concerns the time until the first
approved measurement range is reached.
The factory setting is 1800 s.
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If the anticipated pressure conditions are not reached during the evacuation
time, a warning message is shown after the expiration of the evacuation time.
For the pressure conditions, see also the following setting options:
> Setup> Measurement> Pressure limits
and
> Setup > Measurement > Vacuum > Vacuum ranges
6
Save
.
6.2.11 Set maintenance interval "Filter sniffer tip" or "Air filter"
To adjust the maintenance interval to the degree of contamination at the location of
the device, you can choose between a default value or a self-selected maintenance
interval.
ü
Supervisor - rights
1
> Setup > Maintenance counter
2
Set up.
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Enter a value of your choice in hours for the "Filter sniffer tip" or press the
adjacent "Default value" button (1000 hours).
Summary of Contents for ULTRATEST UL3000 Fab
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