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Adjustment under vacuum, 0 torr – VACUUBRAND DCP 3000 User Manual

Page 57

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page 57 of 64

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.