Siemens SITRANS L Operating Instructions Manual page 124

Parameter reference
Low Calibration Pt. (2.3.7.1.)
Distance from sensor reference point to Low Calibration Point (corresponding to Low Level
Point). Units are defined in Unit (2.3.1.).
①
②
③
④
⑤
The point from which level measurement is referenced [see Flat Faced Flange (Page 227)
a)
and Threaded Horn Antenna with extension (Page 191) and Flanged encapsulated antenna
(3"/DN80/80A sizes and larger). (Page 202) ].
Values
Related parameters
High Calibration Point (2.3.7.2.)
Distance from sensor reference point
Point). Units are defined in Unit (2.3.1.). See Low Calibration Point (2.3.7.1.) for an
illustration.
Values
Related parameters
When setting the High Calibration Point value, note that echoes are ignored within Near
Range (2.5.1.).
The value produced by the echo processing which represents the distance from sensor
1)
reference point to the target. [see Threaded Horn Antenna with extension, (Page 194)
Flanged Horn with extension (Page 198), and Flanged encapsulated antenna (3"/DN80/80A
sizes and larger) (Page 202)].
124
High level point (default 100%)
Low level point (0%)
Sensor value
High calibration point
Level
Range: 0.00 to 20.00 m. Default 20.00 m
Unit (2.3.1.)
Far Range (2.5.2.)
Range: 0.00 to 20.00 m. Default 0.00 m
Unit (2.3.1.), Near Range (2.5.1.)
⑥ Level offset (if used)
⑦ Low calibration point
⑧ Sensor reference point
⑨ Far range
to High Calibration Point (corresponding to High Level
1)
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
a)