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4.
To start the process, click OK .
Compensated wall thickness C-scan
In Lyft and in Lyft PRO, the C-scan can show several different values (click on the icon on top-left
of the C-scan to select the desired output):
•
WT%: remaining wall thickness in % referenced to the nominal wall thickness
• WT: remaining wall thickness in absolute units
•
WL%: wall loss in % referenced to the nominal wall thickness
•
CWT% (available only in Lyft PRO): compensated remaining wall thickness in % referenced to
the nominal wall thickness.
Figure 4–4 Selecting the C-scan
The CWT% C-scan is a processed C-scan with colors adjusted to scale the minimum remaining wall
thickness of a defect to the value found by the CWT tool. For example, the CWT value for the defect
show above is 45.5%, while the Cscan shows greenish colors corresponding to about 85%. The CWT%
Cscan shows the defect minimum wall in reddish colors which are more representative of the true
remaining thickness (with the standard palette). The CWT% Cscan looks as following:
Figure 4–5 CWT% C-scan
The CWT% C-scan is also included in the Excel Report when generated in Lyft PRO (see section
Generating a Report on page 44).