M
easuring range
-
L
iquids
up to
15
m
(
49
.
213
ft
)
-
S
olids
up to
7
m
(
23
ft
)
R
eference conditions to measuring accuracy
(
similar to
DIN EN
60770
-
1
)
R
eference 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
psi
)
O
ther reference conditions
-
R
e
fl
ector
ideal re
fl
ector
,
e
.
g
.
metal plate
2
x
2
m
(
6
.
56
x
6
.
56
ft
)
-
F
alse re
fl
ections
B
iggest false echo
,
20
d
B
smaller than the
useful echo
M
easuring characteristics
U
ltrasonic frequency
35
k
H
z
I
nterval
>
2
s
(
dependent on the parameter adjustment
)
B
eam angle at
-
3
d
B
6
°
A
djustment time
6
)
>
3
s
(
dependent on the parameter adjustment
)
M
easuring accuracy
R
esolution
,
general
max
.
1
mm
D
eviation
7
)
see diagram
6
)
T
ime to output the correct level
(
with max
.
10
%
deviation
)
after a sudden
level change
.
7
)
I
ncl
.
non
-
linearity
,
hysteresis and non
-
repeatability
.
S
upplement
52
VEGASON
63
-
4
...
20
m
A
/
HART
28777
-
EN
-
070507
