Emerson Rosemount 5408 Reference Manual page 113

Reference Manual
00809-0300-4408
Add a new false echo suppression
Prerequisites
Follow these recommendations before suppressing new false echoes:
• Make sure a correct amplitude threshold is set (see
• Make sure the level is stable. A fluctuating level may indicate a temporary disturbance
which is not due to an interfering object.
• Only suppress echoes which can be clearly identified as objects in the tank. Compare
the list of interfering echoes with the tank drawing or visual inspection of the tank.
• Do not suppress false echoes located below the product surface.
• Keep the number of suppressed false echoes to a minimum.
It may be necessary to suppress new false echoes at a later stage when objects have
become visible due to surface movement.
Procedure
1. In Rosemount Radar Master Plus, under Service Tools, select Echo Curve.
2. In the echo curve, click
Delete a false echo suppression
Procedure
1. In Rosemount Radar Master Plus, under Service Tools, select Echo Curve.
Rosemount 5408 Level Transmitter
Figure 7-7: Add False Echo Suppression
Amplitude
at the unknown echo peak, and then select Suppress.
Service and troubleshooting
June 2019
thresholds).
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