Siemens SITRANS L Operating Instructions Manual page 201

Flange size
2"
DN50
50A
-3 dB in the direction of the polarization axis.
1)
20m if installed in stillpipe
2)
See Raised-Face Flange per EN 1092-1, (Page 225)and Polarization reference point
(Page 29).
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
12.9 PTFE Flanged encapsulated antenna (2"/DN50/50A sizes only)
Flange class Flange O.D.
[mm (inch)]
150 LB 152 (5.98)
PN10/16 165 (6.50)
10K 155 (6.10)
Antenna Beam angle
aperture size (°)
1)
[mm (inch)]
50 (1.97) 12.8
Dimension drawings
Measurement
range
[m (ft)]
10 (32.8)
2)
201