Siemens SITRANS LR250 Operating Instructions Manual page 191
Radar transmitters profibus pa
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- Operating instructions manual (294 pages) ,
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Threaded horn dimensions
Antenna
Antenna
Type
O.D.
in mm
(inch)
1.5"
39.8 (1.57)
2"
47.8 (1.88)
3"
74.8 (2.94)
4"
94.8 (3.73)
Height from bottom of horn to sensor reference point as shown: see dimension drawing.
a)
-3dB in the direction of the polarization axis. For an illustration, see Polarization reference point
b)
(Page 31).
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
Height to sensor reference point, in mm (inch)
1-1/2" threaded
2" threaded
connection
connection
135 (5.3)
N/A
N/A
166 (6.55)
N/A
199 (7.85)
N/A
254 (10)
12.1 Threaded horn antenna
Beam Angle
a)
(°)
b)
3" threaded
connection
N/A
19
180 (7.09)
15
213 (8.39)
10
268 (10.55)
8
Dimension drawings
Measurement
range, in m (ft)
10 (32.8)
20 (65.6)
20 (65.6)
20 (65.6)
189
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