Values Window - Fisher ALPHA 1-2 LDplus Operating Manual

5.5. Values Window

Operating Manual Freeze Dryer ALPHA 1-2 LDplus
The values window is displayed after the initialisation of the LDplus
control system. It is divided into two areas, the left-hand values
window and the right-hand values window.
The left-hand and right-hand value windows are structured as follows:
Measuring channel
The up key is used to select the measuring channel to be displayed
in the left-hand values window. The down key
measuring channel in the right-hand values window.
The following measuring channels are available:
•
Total time
Counts the time of the entire process run
•
Section time
Counts the time of an individual phase (freezing, warm-up
vacuum pump, etc.)
•
Ice condenser temperature
Temperature of the ice condenser
•
Vacuum in mbar
Vacuum in the drying chamber. This measuring channel
can only be selected if a vacuum sensor is installed.
•
Vacuum converted into °C
Vacuum in the drying chamber in °C, converted according
to the vapour pressure curve above ice for water (see the
chapter "General Information on Freeze Drying"). This
measuring channel can only be selected if a vacuum
sensor is installed.
Set value
Unit of the measured value
Actual value
is used to select the
LDplus Control System • 39