User's Manual
Table Of Contents
- 8 Parameter reference
- 9 Service and maintenance
- 10 Diagnosing and troubleshooting
- 11 Technical data
- 12 Dimension drawings
- 12.1 Threaded horn antenna
- 12.2 Threaded horn antenna with extension
- 12.3 Flanged horn antenna
- 12.4 Flanged horn antenna with extension
- 12.5 Flanged encapsulated antenna (2"/DN50/50A sizes only)
- 12.6 Flanged encapsulated antenna (3"/DN80/80A sizes and larger)
- 12.7 Threaded PVDF antenna
- 12.8 Threaded connection markings
- 12.9 Raised-Face flange per EN 1092-1 for flanged horn antenna
- 12.10 Raised-Face flange per EN 1092-1 for flanged encapsulated antenna
- 12.11 Flat-Face flange
- 12.12 Process connection tag (pressure rated versions)
- A Appendix A: Technical reference
- B Appendix B: HART communications
- C Appendix C: Certificates and support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index
Dimension drawings
12.5 Flanged encapsulated antenna (2"/DN50/50A sizes only)
SITRANS LR250 (HART)
Operating Instructions, 01/2014, A5E32220602-AB
201
Flanged encapsulated antenna (2"/DN50/50A) dimensions
③ mm (inch)
⑦ mm (inch)
⑧ mm (inch)
⑩ mm (inch)
1)
2"/DN50/50A
263 (10.35)
223 (8.78)
274 (10.79)
11 (0.43)
1)
Height from tip of lens to sensor reference point as shown.
Flange size
Flange class
Flange O.D.
[mm (inch)]
Antenna
aperture size
[mm (inch)]
Beam angle
(°)
1)
Measurement
range
[m (ft)]
2"
150 LB
152 (5.98)
50 (1.97) 12.8 10 (32.8)
2)
DN50
PN10/16
165 (6.50)
50A
10K
155 (6.10)
1)
-3 dB in the direction of the polarization axis.
2)
20m if installed in stillpipe
See Raised-Face Flange per EN 1092-1, (Page 208)and Polarization reference point (Page 20).