Industrial testing guide
Visual Inspection
Direct and aided visual examination as the foundation of many inspection programs.
Safety boundary: this page is conceptual. It does not provide ionizing-radiation source handling, pressure-test procedures, hazardous chemical recipes, energized test instructions, machine settings or robot operation.
What this topic covers
Direct and aided visual examination as the foundation of many inspection programs.
Core testing ideas
Visual inspection can identify corrosion, cracks, deformation, workmanship issues and surface conditions.
Lighting, access, cleanliness, viewing angle and scale influence reliability.
Photos are most useful when location and dimensions are documented.
Measurement and method limits
Method capability depends on material, geometry, access, surface condition, calibration and operator competence.
Evidence and traceability
Indications require interpretation and comparison with approved acceptance requirements.
Using the result
Hazardous radiation, pressure, chemicals and machine-operation details are intentionally excluded.