Nozzle Location; Environment - Siemens SITRANS LR560 Operating Instructions Manual

4.2.2

Nozzle location

Note
False echoes
For details on avoiding false echoes, see AUTO ECHO SUPPRESSION (2.4.8.1.)
(Page 132).
● Avoid central locations on tall, narrow vessels
Beam angle
● Beam angle is the width of the cone where the energy density is half of the peak energy
density.
● The peak energy density is directly in front of and in line with the antenna.
● There is a signal transmitted outside the beam angle, therefore false targets may be
detected.
Emission cone
● Keep emission cone free of interference from ladders, pipes, I-beams, or filling streams.
①
4.2.3

Environment

● Provide easy access for viewing the display and programming via the local push buttons
or the handheld programmer.
● Provide an environment suitable to the housing rating and materials of construction.
LR560 (FOUNDATION FIELDBUS)
Operating Instructions, 06/2018, A5E34648692-AE
Emission cone
Installing/mounting
4.2 Installation instructions
27