Using The Clef Position Detect Parameter For Optimum Accuracy - Siemens SITRANS L Application Examples

Using the CLEF position detect parameter for
optimum accuracy
When using a stilling well, the peak of the return echo inside the pipe could become
slightly wider than it would in free space, leading to inaccuracy. Optimum accuracy can
be achieved by using the CLEF position detect parameter setting over the entire range.
The position detect parameter should be set to CLEF, and the CLEF range parameter
should be set the same as the Lo Calibration point value.
Using SITRANS LR in a Stilling Well
Application examples, 04/2020, AG070814
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