INFICON VGC401 Single-Channel Controller - Manual (Page 39)

tinb01e1-f (2011-07) VGC401.om
39
Available for:
† Pirani (PSG)
† Pirani/Capacitive
(PCG)
† Cold cathode (PEG)
† Cold cathode/Pirani (MPG)
† Hot cathode (BAG)
† Hot cathode/Pirani (BPG, HPG)
; Capacitive (CDG)
† Hot cathode/Pirani/Capacitive (BCG)
When the offset correction is activated, the stored offset
value is subtracted from the actual measurement value.
This allows measuring relative to a reference pressure.
The offset correction affects:
; the displayed measurement value
† the displayed threshold value of the switching
functions
† the analog output at the CONTROL connector
( → 23)
Value
Ö Offset correction
deactivated
e.g.:
Ö Offset correction
activated
para
Ö Press briefly:
Activate offset correction.
para
Ö Press key >2 s:
The offset value is read-
justed. The actual measure-
ment value is accepted as
new offset value.
para
Ö Press briefly:
Deactivate offset correction.