Christ Alpha 3-4 LSCbasic Operating Manual page 62

Freeze-dryer Alpha 3-4 LSCbasic
6 Operation
62 / 117
Vapour pressure curve for ice and water
A diagram shows the relationship between the pressure and sample
temperature for aequous systems. The pressure and temperature values
can be changed by way of the buttons or by moving the arrows (see item 1
in the screenshot). The other value will be adapted automatically.
Fig. 28: Dialogue box "Vapour pressure curve for ice and water
Option: USB process recording
(see chapter 6.5 - "Optional extensions")
•
Select the "USB process recording" function in the dialogue box "Tools".
•
Select the input fields ("Batch data"). A keyboard for the data input will
be displayed.
•
If necessary, select the "Options" tab, choose between manual or
automatic recording, and define a recording interval.
•
Press the "return" button in order to close the dialogue box.
The process recording will now run in the background.
Fig. 29: Dialogue box "USB process recording"
Version 11/2018, Rev. 1.9 of 01/12/2021 • sb
Translation of the original operating manuel