Emerson Rosemount 5408 Reference Manual page 108

Service and Troubleshooting
Figure 7-1:
Measurement problems can be understood by studying the position and amplitude of the
different peaks. Additionally, the recorded echo curves give insight into unexpected and
intermittent measurement behaviors, for instance, at the time of the triggered alert.
Read the echo curve
To read the echo curve in Rosemount Radar Master Plus:
1.
2.
Analyzing the echo curve
The following echo peaks may appear in the echo curve:
Table 7-8:
Type
Surface
Unknown
Suppressed
Suppressed (double
bounce)
98
Echo Curve
Under Service Tools, select Echo Curve. Rosemount Radar Master Plus reads one echo
curve and then stops.
To continuously update the echo curve, select the Play icon.
Echo Peak Types
Description
Echo tracked as the current surface echo
Echo not recognized by the device, which might interfere with meas-
urement
Echoes that are identified but suppressed by the device
Echo managed as a double bounce echo by the Double Bounce func-
tion
Reference Manual