Büchi Labortechnik AG
Operating Pro control panel | 7
Operation Manual Lyovapor™ L-300/L-300 Pro
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u
Navigate to the
[Method]
menu via the navigation path.
u
Tap the name of the method that you wish to edit.
ð
The control panel highlights the selected method in green.
u
Tap the action
[Phase]
.
ð
The control panel shows the action Phase.
u
Tap the setting
[End point definition]
.
ð
The control panel shows the setting End point definition.
u
Tap
[Pressure rise test]
.
ð
The control panel shows the pressure rise test.
The following settings are available:
Setting
Option
Explanation
[Pressure rise
test]
Yes/No
Switches the pressure rise test
on or off.
[Duration]
Enter value
Specifies the length of time for
which the pressure rise test is to
be carried out.
[Start time]
Enter value
Sets the time from which the
pressure difference test is to be
performed. The value relates to
the time before completion of
the primary drying phase or the
secondary drying phase.
[Pressure limit]
Enter value
Pressure (delta p, measured by
sensor in the drying rack) in-
crease within the running test.
[Interval]
Enter value
Time between repetitions of the
test.
[Start condition]
Time/Pressure difference test/
Temp difference test/Both
Time: The pressure rise test is
carried out when the specified
time has elapsed.
Pressure difference test: The
pressure rise test is only carried
out if a pressure difference test
is passed.
Temperature difference test: The
pressure rise test is only carried
out if a temperature difference
test is passed.
Both: The pressure rise test is
only carried out if the tempera-
ture difference test and the pres-
sure difference test are both
passed.
