TS
d1
h1
h2
d2
1
L2
L1
F
ig
.
21
:
I
nterface measurement
(
interface is between
L
1
and
L
2
)
1
R
eference plane
d
1
D
istance to the interface
(
S
econdary
V
alue
2
)
d
2
D
istance to the level
(
D
istance
L
evel
)
TS
T
hickness of the upper medium
(
d
1
-
d
2
)
h
1
H
eight
-
interface
(
S
econdary
V
alue
)
h
2
H
eight
-
L
evel
L
1
L
ower medium
L
2
U
pper medium
R
esolution
,
digital
>
1
mm
(
0
.
039
in
)
A
ccuracy
(
according to
DIN EN
60770
-
1
)
P
rocess reference conditions according to
DIN EN
61298
-
1
-
T
emperature
+
18
…
+
30
°
C
(
+
64
…
+
86
°
F
)
-
R
elative humidity
45
…
75
%
-
A
ir pressure
+
860
…
+
1060
mbar
/
+
86
…
+
106
k
P
a
(
+
12
.
5
…
+
15
.
4
psig
)
-
E
mulsion phase
<
2
mm
(
<
0
.
079
in
)
I
nstallation reference conditions
-
M
in
.
distance to installations
>
500
mm
(
19
.
69
in
)
-
V
essel
metallic
,
ø
1
m
(
3
.
281
ft
),
centric installation
,
process
fi
tting
fl
ush with the vessel ceiling
-
M
edium
W
ater
/
O
il
(
dielectric
fi
gure
~2
.
0
)
-
I
nstallation
P
robe end does not touch the vessel bottom
S
ensor parameter adjustment
G
ating out of false signals carried out
D
eviation
see diagrams
T
he accuracy values of the diagrams refer to the
48
VEGAFLEX
67
•
P
ro
fi
bus
PA
10
S
upplement
32313
-
EN
-
120329