VEGA VEGAWELL 52 4 … 20 mA User Manual
Page 28
Nominal range
Overload capacity, max.
pressure
Overload capacity, min.
pressure
0 … 70
psi
900
psi
0
psi
0 … 150
psi
1300
psi
0
psi
0 … 350
psi
1900
psi
0
psi
Output variable
O
utput signal
4 … 20
mA
S
ignal resolution
4 µA
F
ault signal
22
mA
M
ax. output current
22
mA
R
un-up time
-
with deviation ≤ 0.2 % approximately
2
s
-
with deviation ≤ 0.1 % approximately
15
s
S
tep response time
-
with deviation ≤ 0.2 % approximately
≤
100
ms (ti: 0 s, 0 … 63 %)
-
with deviation ≤ 0.1 % approximately
≤
200
ms (ti: 0 s, 0 … 63 %)
Reference conditions and actuating variables (similar to DIN EN 60770-1)
R
eference conditions according to DIN EN 61298-1
-
T
emperature
+
15 … +25 °C (+59 … +77 °F)
-
R
elative humidity
45 … 75 %
-
A
ir pressure
860 … 1060
mbar/86 … 106 kPa (12.5 … 15.4 psi)
D
etermination of characteristics
L
imit point adjustment according to IEC 61298-2
C
haracterstic curve
L
inear
R
eference installation position
upright, diaphragm points downward
I
nfluence of the installation position
<
0.2
mbar/20 Pa (0.003 psig)
Deviation determined according to the limit point method according to IEC 60770
5
)
S
pecifications refer to the set span. Turn down (TD) = nominal measuring range/set span.
D
eviation with version < 0.2 %
-
T
urn down 1 : 1 up to 5 : 1
<
0.2 %
-
T
urn down up to 10 : 1
<
0.04 %
x TD
D
eviation with version < 0.1 %
-
T
urn down 1 : 1 up to 5 : 1
<
0.1 %
-
T
urn down up to 10 : 1
<
0.02 %
x TD
5)
I
ncl. non-linearity, hysteresis and non-repeatability.
28
VEGAWELL
52 • 4 … 20
mA
8 S
upplement
35401
-EN
-111021