Siemens SITRANS LR250 Operating Instructions Manual page 195
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Flanged Horn dimensions
Nominal horn
Horn O.D.
size
in mm (inch)
in mm (inch)
50 (2)
47.8 (1.88)
80 (3)
74.8 (2.94)
100 (4)
94.8 (3.73)
Height from bottom of horn to sensor reference point as shown: see Flanged horn antenna with
a)
extension (Page 194). See also Raised-Face flange per EN 1092-1 for flanged horn antenna
(Page 219), or Flat-Face flange (Page 224).
-3dB in the direction of the polarization axis (see Polarization reference point (Page 31) for an
b)
illustration).
Optional alloy N06022/2.4602 (Hastelloy
c)
Dimensions (Page 219).
Note
Heights to sensor reference point are for stainless steel flanges. For optional alloy
N06022/2.4602 (Hastelloy
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
Height to sensor reference point, in mm
(inch)
a)
Stainless steel flange:
Optional alloy
raised or flat-face
flange
135.3 (5.32)
138.3 (5.44)
168.3 (6.62)
171.3 (6. 74)
223.3 (8.79)
226.3 (8.90)
C-22 or equivalent) see Flanged Horn dimensions above.
©
Beam angle
(°)
b)
c)
15
10
8
C-22 or equivalent). See Raised-Face Flange
®
Dimension drawings
12.3 Flanged horn antenna
Measurement range,
in m (ft)
20 (65.6)
193
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