VEGA VEGAPULS 68 (≥ 2.0.0 - ≤ 3.8) 4 … 20 mA_HART four-wire - Manual (Page 16)

7 C heck, if the O-ring seal is available on the connection piece and if
it is not damaged.
Note:
A
damaged O-ring seal must be replaced: FKM (Viton) article no.
2.28248, FFKM (K alrez 6375) article no. 2.27351
8 R emount the parabolic antenna (4)
9 T ighten compression nut (1) with SW 41, torque max. 50 Nm
10 T ighten locknut (2) with SW 36, torque max. 40 Nm.
Note:
T
ake note for VEGAPULS 68 with rinsing air connection that the holes
in the antenna and in the process fitting correspond. This ensures a
sufficient air flow (the air is led through the holes to the feed system. A
rinsing of the parabolic antenna in total is not intended).
1
2
3
4
Fig. 6: Dismounting, parabolic antenna
1 Compression nut
2 Locknut
3 Connection piece
4 Parabolic antenna
4.4 Mounting instructions
T he illustrations with the following mounting instructions show a
VEGAPULS 68 with horn antenna. The mounting instructions apply
analogously also to the version with parabolic antenna.
M ount the sensor at least 200 mm (7.874 in) away from the vessel
wall.
Horn and parabolic an-
tenna
Mounting position
16 VEGAPULS 68 • 4 … 20 mA/HART four-wire
4 M ounting
29262
-EN
-090305