VEGA VEGAWELL 51 4 … 20 mA User 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