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: Communications via Foundation Fieldbus
- C Appendix C: Certificates and support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index
Appendix A: Technical reference
A.2 Echo processing
SITRANS LR250 (FOUNDATION FIELDBUS)
234 Operating Instructions, 01/2014, A5E32221411-AB
A.2.3
CLEF Range
CLEF Range (2.5.7.4.)
is referenced from Low Calibration Point (process empty level). When the
Hybrid
algorithm is selected in
Position Detect (2.5.7.2.)
, the CLEF algorithm will be applied up
to the limit of CLEF Range. Above this limit the Center algorithm will be applied.
①
CLEF Range
②
(Center algorithm applied)
③
High Calibration Point (process full level)
④
Sensor reference point
⑤
Low Calibration Point (process empty level)