VEGA VEGABAR 52 Foundation Fieldbus - Manual (Page 46)

46
10 Supplement
VEGABAR 52 • Foundation Fieldbus
36720-EN-130321
10 Supplement
10.1 Technical data
General data
Parameter, pressure
Gauge pressure, absolute pressure, vacuum
Measuring principle Ceramic-capacitive, dry measuring cell
Communication interface I²C bus
Materials and weights
Material 316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting 316L, PVDF, Alloy C-22, Alloy C-276, Duplex 1.4462,
Titanium Grade 2
Ʋ Diaphragm sapphire ceramic ® (99.9 % oxide ceramic)
Ʋ Joining material diaphragm/Basic ele-
ment measuring cell
Glass solder
Ʋ Measuring cell seal FKM (VP2/A, A+P70.16), EPDM (A+P 75.5/KW75F),
FFKM (Kalrez 6375, Perlast G75S, Perlast G75B)
Material seal process fitting
Ʋ Thread G½ (EN 837) Klingersil C-4400
Ʋ Thread G1½ (DIN 3852-A) Klingersil C-4400
Ʋ M44 x 1.25 (DIN 13) FKM, FFKM, EPDM
Surface quality hygienic fittings, typ. R
a
< 0.8 µm
Ʋ Surface quality, typ.
Materials, non-wetted parts
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, 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
Ʋ Connection cable between transmitter
and external electronics housing with
IP 68 version
PUR
Ʋ Type label support on connection
cable
PE hard