N
ote
:
A
damaged
O
-
ring seal must be replaced
:
FKM
(
V
iton
)
article no
.
2
.
28248
,
FFKM
(
K
alrez
6375
)
article no
.
2
.
27351
8
R
emount the parabolic antenna
(
4
)
9
F
asten compression nut
(
1
)
with a wrench
(
width across
fl
ats
41
),
torque max
.
50
N
m
10
F
asten counter nut
(
2
)
with a wrench
(
width across
fl
ats
36
),
torque
max
.
40
N
m
N
ote
:
T
ake note for the version with rinsing air connection that the holes in
the antenna and in the process
fi
tting correspond
.
T
his ensures a
su
ffi
cient air
fl
ow
(
the air is led through the holes to the feed system
.
A
rinsing of the parabolic antenna in total is not intended
).
1
2
3
4
F
ig
.
3
:
D
ismounting
,
parabolic antenna
1
C
ompression nut
2
L
ocknut
3
C
onnection piece
4
P
arabolic antenna
4
.
4
M
ounting instructions
T
he illustrations with the following mounting instructions show a radar
sensor with horn antenna
.
T
he mounting instructions apply analo
-
gously also to the version with parabolic antenna
.
T
he emitted radar impulses of the radar sensor are electromagnetic
waves
.
T
he polarisation level is the direction of the electrical wave
component
.
B
y turning the instrument in the connection
fl
ange or
mounting boss
,
the polarisation can be used to reduce the e
ff
ects of
false echoes
.
T
he position of the polarisation plane is marked on the process
fi
tting
of the instrument
.
H
orn and parabolic an
-
tenna
P
olarisation plane
VEGAPULS
62
•
4
…
20
m
A
/
HART
two
-
wire
13
4
M
ounting
36503
-
EN
-
100607