9 supplement, 1 technical data – VEGA VEGABAR 53 4 … 20 mA User Manual
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9 Supplement
VEGABAR 53 • 4 … 20 mA
36721-EN-130321
9 Supplement
9.1 Technical data
General data
Pressure type
Gauge pressure or gauge pressure
Measuring principle
Depending on the measuring range piezoresistive with
internal transmission liquid or strain gauge (DMS) dry.
Communication interface
I²C bus
Materials and weights
Materials, wetted parts
Ʋ Process fitting
316Ti
Ʋ Diaphragm standard
316Ti
Ʋ Diaphragm from measuring range
25 bar, with not flush version
Elgiloy 2.4711
Ʋ Seal ring, O-ring
FKM (VP2/A), EPDM (A+P 75.5/KW75F), NBR (COG),
FFKM (Chemraz 535)
Material seal process fitting
Ʋ Thread G½ (EN 837)
Klingersil C-4400
Ʋ M44 x 1.25
FKM, FFKM, EPDM
Surface quality hygienic fittings, typ.
R
a
< 0.8 µm
Ʋ Surface quality, typ.
Materials, non-wetted parts
Ʋ Internal transmission liquid
Synthetic oil, Halocarbon oil
7)8)
Ʋ Electronics housing
Plastic PBT (polyester), Alu die-casting powder-coated,
316L
Ʋ External housing
plastic PBT (Polyester), 316L
Ʋ Socket, wall mounting plate external
housing
plastic PBT (Polyester), 316L
Ʋ Seal between socket and wall mount-
ing plate
EPDM (fixed connected)
Ʋ Seal below wall mounting plate
EPDM (only with 3A approval)
Ʋ Seal ring, housing cover
NBR (stainless steel housing), silicone (Alu/plastic hous-
ing)
Ʋ Inspection window in housing cover
for display and adjustment module
Polycarbonate (UL-746-C listed)
Ʋ Ground terminal
316Ti/316L
Ʋ Ohmic contact
Between ground terminal and process fitting
7)
Synthetic oil for measuring ranges up to 16 bar, FDA listed for the food processing industry. For measuring
ranges up to 25 bar dry measuring cell.
8)
Halocarbon oil: Generally in oxygen applications, not with vacuum measuring ranges, not with absolute meas-
uring ranges < 1 bar
abs
.