26. February 2024 © Copyright 2024, PROCEQ SA 57
5.19 Grid Scan
PD8050 measures shear waves, which are also called S-waves. The velocity of the ultrasound
waves depends on the quality, homogeneity, and density of the material.
Figure 66: P and S waves velocity.
Grid scans are used for uniformity testing of either thickness or pulse velocity. This is very
helpful for rapid identification of problematic areas in large elements.
This grid scan mode makes this test very fast.
Workflow:
Select grid mode under the “Measuring Mode” tab. Then save one measurement in each cell
to create a heat map of the backwall depth or pulse velocity.
Figure 67: Grid pattern.
The heatmap is color-coded to show variations in backwall depth or in pulse velocity.
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