Visual Testing - Direct Visual Examination

Have you ever heard an inspector say 'I can already tell that weld is not gonna pass'? It's because the weld doesn't pass the direct visual examination test, or as we call it, the 'sniff test'. The same goes for the old saying," If it looks like a duck ...".

These are all examples of direct visual examinations. Some simple tools used for direct visual examination include welding gages, as seen here being used to check the fillet leg length. These tools, along with the most important tool for visual testing, our eyes, are quality instruments that can determine alignment, dimensions, and indications in all sorts of manufacturing products.

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Thank you Instagram user illfabian for the photo:

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