F
ig
.
10
:
A
lignment in liquids
T
he mounting location of the radar sensor should be a place where no
other equipment or
fi
xtures cross the path of the microwave signals
.
V
essel installations
,
such as e
.
g
.
ladders
,
limit switches
,
heating
spirals
,
struts
,
etc
.,
can cause false echoes and impair the useful echo
.
M
ake sure when planning your measuring site that the radar sensor
has a
"
clear view
"
to the measured product
.
I
n case of existing vessel installations
,
a false echo storage should be
carried out during setup
.
I
f large vessel installations such as struts or supports cause false
echoes
,
these can be attenuated through supplementary measures
.
S
mall
,
inclined sheet metal ba
ffl
es above the installations scatter the
radar signals and prevent direct interfering re
fl
ections
.
F
ig
.
11
:
C
over smooth pro
fi
les with de
fl
ectors
I
f there are agitators in the vessel
,
a false signal suppression should be
carried out with the agitators in motion
.
T
his ensures that the interfering
re
fl
ections from the agitators are saved with the blades in di
ff
erent
positions
.
V
essel installations
A
gitators
VEGAPULS
62
•
4
…
20
m
A
/
HART
two
-
wire
17
4
M
ounting
36503
-
EN
-
100607