Emerson Process Management ROSEMOUNT 5300 - Manual (Page 139)

Reference Manual
00809-0100-4530, Rev BA
July 2009
7-9
Rosemount 5300 Series
Figure 7-7. After changing the
amplitude threshold the
transmitter detects the interface
Signal Quality Metrics Build up on the probe and different surface conditions are factors that can
affect signal and noise levels. Signal Quality Metrics can give an indication of
how good the surface signal is compared to the noise. See Signal Quality
Metrics page C-18 in Appendix C: Advanced Configuration.
3.0 5.0
The Interface Threshold is adjusted
below the peak to allow the
interface peak to be detected
Amp
litu
d
e, m
V
Distance, m
Interface Threshold
Surface Threshold
Reference Threshold