VEGA VEGAWELL 52 4 … 20 mA - 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