Martin Christ Alpha 2-4 LDplus - Manual (Page 44)

44 LDplus Control System Operating Manual Freeze Dryer ALPHA 1-4 LDplus / ALPHA 2-4 LDplus
5.5. Values window
The values window is displayed after the initialization 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:
The “up” key is used to select the measuring channel to be
displayed in the left-hand values window. The “down” key is used
to select the 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 vapor 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.
Measuring channel
Set value
Actual value
Unit of the measured value