How do I choose the correct 3D phase measurement tip?
In this article:
- How to choose the right 3D phase measurement (3DPM) tip by matching viewing direction (forward vs. side view) to your insertion point and inspection target.
- Why measurement distance and depth of field (DOF) are critical, and how DOF values serve as guidelines rather than fixed limits.
- Which application factors—feature size, accuracy needs, measurement type, and surface finish—directly influence reliable 3D borescope measurements.
How do I choose the correct 3D phase measurement tip?
Two main things to consider when selecting a 3DPM tip are from what direction the defect is viewed and from how far away. To determine whether you need a forward view or side view tip, consider where your insertion point is in relation to the area you're inspecting. Measurement Depth of Field (DOF) values are provided as general guidelines to help select the most appropriate tip for a given application. The actual measurement DOF for a particular application depends on several factors including feature size, required accuracy, measurement types and surface finish.
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