VEGA VEGABAR 74 4 … 20 mA_HART - 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