VEGA VEGABAR 54 4 … 20 mA_HART - Manual (Page 48)

48
10 Supplement
VEGABAR 54 • 4 … 20 mA/HART
36726-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, weights, torque
Material 316L corresponds to 1.4404 or 1.4435
Materials, wetted parts
Ʋ Process fitting 316L
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), EPDM (A+P 75.5/KW75F), FFKM (Perlast
G75S, Perlast G75B, Kalrez 6375)
Ʋ Process seal, PMC fitting M30 x 1.5 FKM (VP2/A), EPDM (A+P 75.5/KW75F), FFKM (Perlast
G75S, Perlast G75B, Kalrez 6375)
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 ring, housing cover Silicone
Ʋ Inspection window in housing cover
for display and adjustment module
Polycarbonate (UL-746-C listed)
Ʋ Type label support on connection
cable
PE hard
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
Ʋ Connection cable with IP 68 1 bar
version
PE, PUR