VEGA VEGAWELL 51 4 … 20 mA - Manual (Page 26)

S
ignal resolution 2 µA
F
ailure signal 22 mA
M ax. output current 22 mA
R
un-up time 2 s
S
tep response time 100 ms (ti: 0 s, 0 … 63 %)
F ulfilled NAMUR recommenda-
tions
NE 43
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 psig)
D
etermination of characteristics
L
imit point adjustment according to
IEC 61298-2
C
haracteristics curve linear
R
eference installation position upright, diaphragm points downward
I nfluence of the installation position < 0.2 mbar/20 Pa (0.003 psi)
Deviation determined according to the limit point method according to IEC 60770 4 )
S
pecifications refer to the set span. Turn down (TD) = nominal measuring range/set
span.
D
eviation
-
T urn down 1 : 1 up to 5 : 1 < 0.2 %
-
T urn down up to 10 : 1 < 0.04 % x TD
Influence of the product or ambient temperature
S
pecifications refer to the set span. Turn down (TD) = nominal measuring range/set
span.
Average temperature coefficient of the zero signal
I
n the compensated temperature range of 0 … +80 °C (+32 … +176 °F), reference
temperature 20 °C (68 °F).
4) I ncl. non-linearity, hysteresis and non-repeatability.
26 VEGAWELL 51 • 4 … 20 mA
S upplement
32465
-EN
-080604