Emerson Rosemount 5408 Reference Manual page 138

Service and troubleshooting
February 2020
Figure 7-14: Double Bounce Echoes
A. Distance to surface
B. Distance to first double bounce
C. Actual level
D. Virtual level (first double bounce)
E. Signal amplitude
F. Distance
Prerequisites
Note
The Double Bounce Handling function should only be used if the problem of double
bounces cannot be solved by changing the mounting position.
Note
The surface echo is required to suppress the double bounce. If the surface echo enters the
Upper Null Zone, there is no product surface reference and the double bounce might be
interpreted as the surface echo.
Procedure
1. In Rosemount Radar Master Plus, read the echo curve plot to determine if double
2. Under Configure, select Level Setup → Advanced.
3. Under More Advanced Options, select Echo Tracking.
4. In the Double Bounce Handling list, select Enabled or Disabled.
5. If you enabled Double Bounce Handling, then enter desired Double Bounce Offset.
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bounce echoes are present, see Using the echo curve.
Reference Manual
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Reference Manual