Siemens SITRANS L Operating Instructions Manual page 24

Figure 4.3
In vessels with conical bottom it can be advantageous to mount the device in the
centre of the vessel, as measurement is then possible down to the bottom.
Figure 4.4
Inflowing medium
Do not mount the transmitters in or above the filling stream. Make sure that you
detect the medium surface, not the inflowing product.
Figure 4.5
Threaded nozzle und nozzle piece
With threaded connection, the antenna end should protrude at least 5 mm (0.2 in)
out of the nozzle.
SITRANS LR150
Operating Instructions, 10/2022, 62711-76-01, A5E50352155
Mounting of the radar transmitter on round vessel tops
Mounting of the radar transmitter on vessels with conical bottom
Mounting of the radar transmitter with inflowing medium
Installing/mounting
4.2 Mounting instructions
15