VEGA VEGABAR 53 Foundation Fieldbus - Manual (Page 45)

45
10 Supplement
VEGABAR 53 • Foundation Fieldbus
36724-EN-130321
10 Supplement
10.1 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
General data
Parameter, pressure
Gauge pressure, absolute pressure, vacuum
Measuring principle Ceramic-capacitive, dry measuring cell
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 9)10)
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)
9) 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.
10) Halocarbon oil: Generally in oxygen applications, not with vacuum measuring ranges, not with absolute meas-
uring ranges < 1 bar
abs
.