
Figure D-11: Echo Curve Showing Echo Peak from Reference Reflector (Plot
from 2-inch Chamber with Short Reference Reflector)
D.7
Signal Quality Metrics
Signal Quality Metrics indicates the surface signal integrity compared to the noise. It can
be used to schedule maintenance to clean the probe or detect and monitor turbulence,
boiling, foam and emulsions.
Figure D-12: Echo Curve Showing Surface Peak Amplitude, Noise Peak Amplitude,
and Surface Threshold
0
A. Amplitude, mV
B. Distance, m
C. Surface peak amplitude (P1)
D. Surface Threshold=Amplitude Threshold Curve (ATC)
Signal quality
Signal Quality is a measurement of the surface peak amplitude (P1) compared to the
surface threshold (ATC) and the smallest marginal between the noise and the ATC above
the surface (indicated with a circle) compared to the ATC. The Signal Quality spans from 0
Advanced configuration
Reference Manual
April 2019
00809-0100-4530
414
Rosemount 5300 Level Transmitter
Содержание Rosemount 5300 Series
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