Freeze-dryer Delta 1-24 LSCplus
Freeze-dryer Delta 2-24 LSCplus
6 Operation
Version 04/2013, Rev. 2.9 of 09/03/2020
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Translation of the original operating manual
Option: Comparative pressure measurement (see chapter 6.6 - "Optional
extensions")
NOTE
The indication of the measurement value "dp Comp" can be configured in
chapter 6.5.1.1 - "Main window "Manual""under "Actual values of the
current process" in the dialog box "Select actual value".
The comparative pressure measurement can be activated or deactivated by
pressing the button in the dialog box.
•
Progress condition:
If the difference between the readings of the Pirani and the capacitive
vacuum sensor at the end of the last main drying section is below the
limit "
p Comparative", the drying process will be considered complete
at the current conditions. Thus the progress condition for switching to
the next section is fulfilled and the next section will be initiated.
Otherwise, a process message will be issued, the current section will be
extended, and the current section will be extended until the condition is
fulfilled.
•
Disabled:
There will be no comparative pressure measurement during the main
drying phase. There will be no evaluation.
Fig. 61: Dialog box "Comparative pressure measurement"
Program templates (2)
The PGMplus programmer module offers 14 different program templates
that include recipes for all kinds of freeze-drying applications. They are
suggestions for orientation purposes and must be adapted to the specific
area of application of the freeze-dryer.
Following the selection of a program template, a window containing
information concerning the drying process will be displayed.