VEGA D81 Hydrostatic pressure transmitter User Manual

Page 37

Pressure transmitter D81

You can choose four linearisation curves:
linear, horiz. cylindrical tank, spherical tank
and user programmable curve.

Under "

User programmable curve" you can

enter your own linearisation curve as a corre-
lation between the level in % or pressure in %
(percentage value) and the volume
(linearised).

• Choose "

User programmable curve" and

then "

Edit".

First of all, a linear correlation is displayed
(the function is a straight line).

Setup

Note:
The menu item "

Real value correction" ena-

bles the correction of the actual pressure by
means of a reference value. This corrects the
measuring characteristics in a way similar to
the offset correction.

Conditioning/Linearisation

In the menu "

Instrument data/Parameter ad-

justment/Conditioning/Linearisation" you allo-
cated a filling quantity (volume) to the level
(filling height). The correlation between level
and volume is described with so called
linearisation curves.

• Click to "

Instrument data/Parameter adjust-

ment", then to "Conditioning" and finally to
"

Linearisation".

Again choose the menu "

Offset correction"

and you see the corrected zero value.