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System Configuration Manual
300510EN, Rev AA
December 2010
Rosemount Raptor
7-24
Section 7. Service Functions
ATP (Amplitude
Threshold Points)
A weak disturbing echo can be filtered out by
creating a curve of Amplitude Threshold
Points.
Holdoff Distance The Holdoff Distance defines how close to
the Gauge Reference Point a level value is
accepted. The Holdoff Distance is shown in
red.
Gauge Ref. Point
(Gauge Reference
Point)
The Gauge Reference Point is shown as a
dashed (olive colored) line:
Zero Reference The Zero Reference (zero level; dipping
datum point) close to the bottom of the tank, is
defined by the Tank Reference Height (R). It is
shown as a dashed (sand colored) line:
Amplitude
Threshold
Point
Disturbing
Echo