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: PROFIBUS PA profile structure
- C Appendix C: Communications via PROFIBUS
- D Appendix D: Certificates and Support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index
Parameter reference
SITRANS LR250 (PROFIBUS PA)
114 Operating Instructions, 01/2014, A5E32221386-AB
Echo Quality (2.5.9.)
Confidence (2.5.9.1.)
Indicates echo reliability: higher values represent better echo quality. The display shows the
echo confidence of the last measurement.
Echo Threshold (2.5.7.3.)
defines the minimum
criterion for echo confidence.
Values
(view only)
0
to
99
----
Shot not used
Related Parameters
Echo Threshold (2.5.7.3.)
Open the menu
Device – Echo Profile Utilities
and click on the tab
Echo Profile
.
Echo Strength (2.5.9.2.)
Displays the absolute strength (in dB above 1 μV rms) of the echo selected as the measurement
echo.
Values
(view only)
-22
to
99
Open the menu
Device – Echo Profile Utilities
and click on the tab
Echo Profile
.
TVT Setup (2.5.10.)
Note
Default settings in the parameter tables are indicated with an asterisk (*) unless explicitly
stated.