
empty vessel that is suitable for the percentage value
,
e
.
g
.
distance from the sensor to the vessel bottom
(
dry adjustment or
adjustment without medium
).
K
eep in mind that the max
.
level
must be below the radar antenna
.
à
F
inally save your settings with
[
OK
]
,
the adjustment is
fi
nished
.
T
o suppress
fl
uctuations in the measured value display
,
e
.
g
.
caused
by an agitated product surface
,
an integration time can be set
.
T
his
time can be between
0
and
999
seconds
.
R
emember that the reaction
time of the entire measurement will then be longer and the sensor will
react to measured value changes with a delay
.
I
n general
,
a period of a
few seconds is su
ffi
cient to smooth the measured value indication
.
à
C
arry out your settings via the respective keys and save with
[
OK
]
.
A
linearization is necessary for all vessels in which the vessel volume
does not increase linearly with the level
,
e
.
g
.
with a cylindrical or
spherical tank
.
C
orresponding linearization curves are preprog
-
rammed for these vessels
.
T
hey represent the correlation between the
level percentage and vessel volume
.
B
y activating the appropriate
curve
,
the volume percentage of the vessel is displayed correctly
.
I
f
the volume should not be displayed in percent but e
.
g
.
in l or kg
,
a
scaling can be also set
.
à
C
arry out your settings via the respective keys and save with
[
OK
]
.
S
caling means converting the measured value into a certain parameter
and unit
.
T
he linearized percentage value is the source signal which is
used as basis for the scaling
.
T
he indication can then show the volume
in litres e
.
g
.,
instead of the percentage value
.
I
ndication values from
max
. -
99999
to
+
99999
are possible
.
à
C
arry out your settings via the respective keys and save with
[
OK
]
.
M
eas
.
loop
-
D
amping
M
eas
.
loop
-
L
ineariza
-
tion curve
M
eas
.
loop
-
S
caling
VEGAMET
391
•
4
…
20
m
A
/
HART
signal conditioning instrument
23
6
S
etup with the integrated indicating and adjustment unit
36032
-
EN
-
091116
Содержание VEGAMET 391
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Страница 66: ...66 VEGAMET 391 4 20 mA HART signal conditioning instrument Index 36032 EN 091116 ...
Страница 67: ...VEGAMET 391 4 20 mA HART signal conditioning instrument 67 Index 36032 EN 091116 ...