VEGA VEGAPULS 62 (≥ 2.0.0 - ≥ 4.0.0) Foundation Fieldbus Approval according to LPR radio standard - Manual (Page 16)

Fig. 7: Mounting of the radar sensor with inflowing medium
The socket piece should be dimensioned in such a way that the
antenna end protrudes at least 10 mm (0.4 in) out of the socket.
1
0
mm
(0
.3
9
")
>
Fig. 8: Recommended socket mounting with horn antenna
If the reflective properties of the medium are good, you can mount the
radar sensor with horn antenna on sockets which are higher than the
length of the antenna. You will find recommended values for socket
heights in the following illustration. The socket end should be smooth
and burr-free, if possible also rounded. After installation you must carry
out a false echo storage.
Socket
16 VEGAPULS 62 • Approval according to LPR radio standard
4 Mounting
41721
-EN
-120301