Parameter reference
SITRANS LR250 with mA/HART
130 Operating Instructions, 10/2019, A5E32220602-AG
It is used from Low Calibration Point (process empty level ) up to the level defined by CLEF
Range (see illustration below). Above that point the Center algorithm is used. For more detail
see CLEF Range (Page 237).
Range: 0 to 20 m (0 to 65.6 ft)
Position Detect (2.8.4.2.)
Low Calibration Point (process empty level )
In applications with low dK materials we recommend setting CLEF Range to 0.5 m (1.64 ft)
and
Position Detect (2.8.4.2.) to Hybrid.
Sampling (2.8.5.)
Provides a method of checking the reliability of a new echo before accepting it as the valid
reading, based on numbers of samples above or below the currently selected echo.
Echo Lock (2.8.5.1.)
Note
Ensure the agitator is always running while SITRANS LR250 is monitoring the vessel, to
avoid stationary blade detection.
Selects the measurement verification process.
Maximum Verification (not recommended for radar)
Total Lock (not recommended for radar)
Fill Rate per Minute (2.4.2.)
Empty rate per Minute (2.4.3.)
Sampling Up (2.8.5.2.)
For radar applications, Material Agitator is the most often-used setting, to avoid agitator
blade detection.
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