Adjustment under vacuum, 0 torr – VACUUBRAND DCP 3000 User Manual
Page 57
Adjustment under vacuum
An adjustment under vacuum is only possible
in the lower pressure range.
➨
Evacuate the measurement connection of the VSP 3000 pressure
transducer preferably below 7.5x10
-4
Torr (1x10
-3
mbar), e.g., by apply-
ing a high vacuum pump. Allow the pressure transducer a
minimum
of 20 minutes to preheat at this pressure.
➨
In ”Configuration” menu, select program ”Adjustment” at the DCP 3000.
+
The reading is automatically adjusted to ”zero”. This value is fixed and
cannot be changed.
➨
Press the selection knob to confirm.
0 Torr
➨
In ”Configuration” menu, select program ”Adjustment” at the DCP 3000.
➨
The reading is automatically adjusted to ”750 Torr” (”1000 mbar”). This
value is fixed and cannot be changed.
➨
Press the selection knob to confirm.