VEGA VEGAWELL 72 4 … 20 mA_HART PT 100 - Manual (Page 34)

Nominal range Overload, max. pressure Overload, min. pressure
0 … 900 psig 2900 psig -15 psig
A bsolute pressure
0 … 15 psi 500 psi 0 psi
0 … 35 psi 700 psi 0 psi
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/HART
S ignal resolution 2 µA
F
ailure signal < 3.6 mA; 20.5 mA; 22 mA; unchanged
( adjustable via PACTware)
M ax. output current 22 mA
R
un-up time approx. 15 s
S
tep response time 200 ms (ti: 0 s, 0 … 63 %)
F ulfilled NAMUR recommendations NE 43
Additional output parameter - temperature
integrated resistance thermometer
P
t 100 according to DIN EN 60751
R ange -50 … +100 °C (-58 … +212 °F)
R esolution 1 °K
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 psig)
34 VEGAWELL 72 • 4 … 20 mA/HART PT
9 S upplement
34360
-EN
-080806