Siemens SITRANS LR250 Operating Instructions Manual page 197

Flanged horn with extension dimensions
Nominal horn Horn O.D. in mm
size (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 also Raised-Face flange
a)
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)
1092-1 for flanged horn antenna (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
(inch)
a)
Stainless steel flange: Optional alloy
raised or flat-face flange
235.3 (9.26) 238.3 (9.38)
268.3 (10.56) 271.3 (10.68)
323.3 (12.73) 326.3 (12.85)
C-22 or equivalent) see Flanged Horn dimensions above.
©
12.4 Flanged horn antenna with extension
, in mm Beam angle
,
(°)
b)
c)
15
10
8
C-22 or equivalent). See Raised-Face flange per EN
®
Dimension drawings
Measurement range,
in m (ft)
20 (65.6)
195