10 supplement, 1 technical data, 10 s upplement – VEGA VEGABAR 74 4 … 20 mA_HART User Manual
Page 27
10 S
upplement
10
.1 Technical data
General data
M
anufacturer
VEGA G
rieshaber KG, D-77761 Schiltach
T
ype name
VEGABAR
74
P
arameter, pressure
G
auge pressure, absolute pressure, vacuum
M
easuring principle
C
eramic-capacitive, dry measuring cell
C
ommunication interface
N
one
Materials and weights
M
aterial 316L corresponds to 1.4404 or 1.4435
M
aterials, wetted parts
-
P
rocess fitting
316L
-
D
iaphragm
sapphire ceramic
®
(99.9 %
oxide ceramic)
-
S
eal
FKM (
e.g. Viton), Kalrez 6375, EPDM, Chem-
raz 535
-
S
eal process fitting thread G½ A,
G
1½ A
K
lingersil C-4400
M
aterials, non-wetted parts
-
H
ousing
316L
-
G
round terminal
316T
i/316L
-
C
onnection cable
PUR, FEP, PE
-
type label support on cable
PE-HART
W
eight
0.8 … 8
kg (1.8 … 17.6 lbs), depending on
process fitting
Output variable
O
utput signal
4 … 20
mA/HART
F
ailure signal
22
mA (3.6 mA), adjustable
M
ax. output current
22.5
mA
D
amping (63 % of the input variable)
0 … 10
s, adjustable
S
tep response or adjustment time
70
ms (ti: 0 s, 0 … 63 %)
F
ulfilled NAMUR recommendations
NE
43
Additional output parameter - temperature
P
rocessing is made via HART-Multidrop
VEGABAR
74 - 4 … 20
mA/HART
27
S
upplement
28432
-
EN
-070718