Emerson 5301HxxxxxxxxxxxxxxZZ Series Reference Manual page 197

Reference Manual
00809-0100-4530
Figure 7-10: Echo Curve Analyzer Plot in Configuration Mode
A. Measurement Output
B. Set Threshold
The current level Measurement Output from the device is presented with an arrow at the
top of the plot.
Normally, the measurement output points directly at the surface echo peak, but if, for
instance, the tank is empty, and there is no surface echo peak detected, the Measurement
Output is still presented indicating the distance to the tank bottom.
In Figure
corrections for the dielectric of the material. The actual interface peak is at the electrical
distance.
Modify ATC
The ATC can also be manually edited if further fine tuning is needed.
Procedure
Click and drag one circle at the time in the ATC in order to raise or lower the threshold at a
certain position in the tank. You may zoom in (left click and drag) for higher resolution
when modifying ATC points.
Set surface threshold to a fixed value
Procedure
Select the Set Threshold button to set the ATC to a fixed value (a horizontal line).
Set interface threshold
Procedure
Drag the circle on the right hand side to modify the threshold or right click the circle and
select Properties to enter a value.
Reference Manual
7-10, the interface output peak is pointing to the linear distance based on
Service and troubleshooting
April 2019
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