Büchi Labortechnik AG
Operating Pro control panel | 7
Operation Manual Lyovapor™ L-200/L-200 Pro
63/100
u
Tap the action
[Phase]
.
ð
The control panel shows the action Phase.
u
Tap the setting
[End point definition]
.
ð
The control panel shows the setting End point definition.
u
Tap
[Temperature difference test]
.
ð
The control panel shows the temperature difference test.
The following settings are available:
Setting
Option
Explanation
[Temperature
difference test]
Yes/No
Switches the temperature differ-
ence test on or off.
[Start time]
Enter value
Sets the time from which the
temperature difference test is to
be performed. The value relates
to the time before completion of
the primary drying phase.
[Temperature
difference limit]
Enter value
Specifies the difference between
the two sensor readings below
which the end point is reached.
[Term]
Enter value
The period of time during which
the difference is not to be ex-
ceeded. If the threshold is not
exceeded for the full period of
time, the temperature difference
test is passed.
[Continue]
Yes/No
Yes : the method switches to the
next phase.
No: the phase is ended when the
set levels are reached.
[Message]
Yes/No
The control panel shows or does
not show a message as soon as
the temperature difference test
is passed.
7.8.4
Determining offset value
Navigation path
➔
Configuration
➔
End point determination
➔
Pressure difference test
u
Navigate to the Pressure Difference Test view via the navigation path.
ð
The control unit shows the offset figure.
