Martin Christ Beta 2-8 LDplus - Manual (Page 46)

46 LDplus Control System Operating Manual Freeze Dryer BETA 1-8 LDplus / BETA 2-8 LDplus
5.4.3. Softkey function
Softkeys are keys with dynamic functions assigned to them. The
current key function is displayed in the black field next to the key.
In the screenshot, the left-hand softkey has the function Mode
and the right-hand softkey has the function Menu .
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