Emerson Rosemount 3408 Reference Manual page 80

Service and troubleshooting
September 2022
Dropping of level close to tank bottom
Symptom
Measured value drops to zero level in the tank bottom region.
Figure 7-11: Symptom
A. Level
B. Time
C. Actual level
D. Reported level
Possible cause
Transmitter has locked on a strong tank bottom echo.
Recommended actions
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•
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Related information
Reference height
Use tank bottom projection
Enable bottom echo visible when tank is empty
80
A
C
D
Verify the Reference Height is configured correctly.
Enable the Tank Bottom Projection function
Enable the Bottom echo visible when tank is empty parameter.
Reference Manual
00809-0100-4418
B
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