Siemens SITRANS L Series Instruções de funcionamento do Compact - Página 16
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Installing/mounting
4.3 Nozzle location
①
②
③
④
⑤
⑥
⑦
Avoid central locations on vessels
For vessels with conical or parabolic tops, avoid mounting the device at the center. The
concavity of the top can focus echoes into the center, giving false readings.
4.3
Nozzle location
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 rod antenna.
● There is a signal transmitted outside the beam angle, therefore false targets may be
detected.
16
Process temperature: –40 to 80 °C (–40 to 176 °F)
Locking collar over threaded connection; secured by three 2 mm Allen set-screws.
When the locking collar is secured, it prevents the enclosure rotating on the threaded connec-
tion.
Ambient temperature (surrounding enclosure volume) –40 to 80 °C (–40 to 176 °F)
Handheld programmer
Nameplate location
Process device tag
Customer-supplied flange
SITRANS Probe LR with mA/HART
Compact Operating Instructions, 05/2019, A5E46248119-AC