Emerson Rosemount 5408 Reference Manual page 128

Service and Troubleshooting
Note
Only enable this parameter if a bottom echo is visible when tank is empty. To verify this, use the echo
curve function.
Figure 7-12:
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Procedure
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118
Bottom Echo Visible
Product surface near bottom of tank
Empty tank
Signal amplitude
Distance
Surface echo
Echo peak from tank bottom (at the electrical distance when product in the tank)
In Rosemount Radar Master Plus, under Configure, select Level Setup > Advanced.
Under More Advanced Options, select Empty Tank Handling.
In the Empty Tank Handling list, select User Defined.
Select the Bottom echo visible when tank is empty check box.
Select Save.
Reference Manual