D
eviation determined according to the limit point method according to
IEC
60770
14
)
A
pplies to
digital
interfaces
(
HART
,
P
ro
fi
bus
PA
,
F
oundation
F
ieldbus
)
as well as to
analogue
current output
4
…
20
m
A
.
S
peci
fi
cations refer to the set span
.
T
urn down
(
TD
)
is the ratio nominal
measuring range
/
set span
.
R
eference accuracy
-
all versions
T
he following applies to square root extracted characteristics
:
T
he accuracy data of
VEGADIF
65
are entered with factor
0
.
5
in the accuracy calculation of the
fl
ow
.
R
eference accuracy
-
B
asic version
10
mbar
,
30
mbar measuring cell
-
T
urn down
1
:
1
±
0
.
15
%
of the set span
-
T
urn down
>
1
:
1
±
0
.
15
%
of the set span x
TD
100
mbar measuring cell
-
T
urn down
1
:
1
to
4
:
1
±
0
.
075
%
(
±
0
.
05
%
)
of the set span
-
T
urn down
>
4
:
1
±
(
0
,
012
%
x
TD
+
0
.
027
)
of the set span
M
easuring cells
≥
500
mbar
-
T
urn down
1
:
1
to
15
:
1
±
0
.
075
%
(
±
0
.
05
%
)
of the set span
-
T
urn down
>
15
:
1
±
(
0
.
0015
%
x
TD
+
0
.
053
)
of the set span
R
eference accuracy
-
C
hemical seal versions
100
mbar measuring cell
-
T
urn down
1
:
1
to
4
:
1
±
0
.
075
%
(
±
0
.
05
%
)
of the set span
+
in
fl
uence of
the chemical seal
-
T
urn down
>
4
:
1
±
(
0
.
012
%
x
TD
+
0
.
027
)
of the set span
+
in
fl
uence
of chemical seal
M
easuring cells
≥
500
mbar
-
T
urn down
1
:
1
to
15
:
1
±
0
.
075
%
(
±
0
.
05
%
)
of the set span
+
in
fl
uence of
the chemical seal
-
T
urn down
>
15
:
1
±
(
0
.
0015
%
x
TD
+
0
.
053
%
)
of the set span
+
in
fl
uence of the chemical seal
I
n
fl
uence of the product or ambient temperature
A
pplies to instruments in basic version with
digital
signal output
(
HART
,
P
ro
fi
bus
PA
,
F
oundation
F
ieldbus
)
as well as to instruments with
analogue
current output
4
…
20
m
A
.
S
peci
fi
cations refer
to the set span
.
T
urn down
(
TD
)
=
nominal measuring range
/
set span
.
14
)
I
ncl
.
non
-
linearity
,
hysteresis and non
-
repeatability
.
VEGADIF
65
•
F
oundation
F
ieldbus
81
11
S
upplement
36130
-
EN
-
110510
