VACUUBRAND PC 620 NT plastic housing - Manual (Page 58)

page 58 of 113
Adjustment of the ”Set vacuum” during vacuum control:
Dynamic, interactive adaptation:
+
Press the selection knob and keep pressed.
+
Turning the knob for a 1/4 turn to the left causes pump down.
+
Turning the knob for a 1/4 turn to the right causes venting.
+
When the knob is released, the current pressure value is used as new
set value.
Alternatively:
Fine tuning:
The ”Set vacuum” can be fine-adjusted by turning the selection knob
while process is running.
+
Turn the selection knob.
+
A full turn causes a change of the ”Set vacuum” of 9 Torr (12 mbar).
+
Turning the knob one detent causes a change of the ”Set vacuum” of
1 Torr (mbar).