Threaded Horn Antenna With Extension - Siemens Sitrans LR250 Operating Instructions Manual

Threaded Horn Antenna with extension

Notes:
• Process temperature and pressure capabilities are dependent upon information on
the process connection tag. Reference drawing listed on the Tag is available on the
product page of our website at www.siemens.com/LR250, under Support /
Installation drawings. Additional information on process connections is available
on the Installation Drawings page under Process Connection Diagrams.
• Signal amplitude increases with horn diameter, so use the largest practical size.
• Optional extensions can be installed between the flange and the antenna.
154 mm
196 mm
(7.7")
28 mm (1.1"")
A
D
B
C
Dimensions
See table under
or D).
Page 12 SITRANS LR250 (PROFIBUS PA) – OPERATING INSTRUCTIONS
50 mm
1/2" NPT cable entry
(2.0")
(or alternatively, M20 cable gland)
threaded cover
(6.1")
enclosure/
electronics
optional
100 mm (4.0 ")
horn extension
connection tag
horn
O.D.
on page 11 for horn height to sensor reference point (A, B, C,
retaining
collar
process
horn
167 mm
(6.6")
90 mm
(3.5")
159 mm
(6.26")
sensor
ref.
point
7ML19985JF04