Dimensions: Horn With Extensions - Siemens SITRANS LR250 Instruction Manual

Dimensions: Flanged Horn
GRAPHIC TO BE UPDATED
187 mm (7.4")
process
device
tag
Ø 80 mm
(3")
horn
Nominal Horn Size
37.5 mm (1.5")
50 mm (2")
80 mm (3")
100 mm (4")
1.
– 3dB in E-plane.
Notes:
• Process temperature and pressure capabilities are dependent upon information on
the process device tag. Reference drawing listed on the tag is available on our
website at www.siemens.com/processautomation, on the product page for
SITRANS LR250, under Process Connection Specifications.
• Signal amplitude increases with horn diameter, so use the largest practical size.
• Optional extensions can be installed between the flange and the antenna.
Page 20 SITRANS LR250 (HART) – INSTRUCTION MANUAL
horn O.D.
Horn O.D.
40.0 mm (1.57")
47.8 mm (1.88")
74.8 mm (2.94") 164 mm (6.46")
94.8 mm (3.73") 214 mm (8.43")
enclosure/electronics
name-plate
retaining collar
flange
horn
height
Horn Height
100 mm (3.93")
96 mm (3.78")
reference
point
7 mm
(0.27")
1
beam width
19 degrees
15 degrees
10 degrees
8 degrees
7ML19985JE01