: Minimum light intensity at the surface should be 350 lx , though 500 lx is recommended for better visibility.
Verifying cleanliness between runs and identifying visible defects as the weld is built. iso 17637 pdf
The standard specifies strict environmental and procedural conditions to ensure inspection accuracy: Illumination : A minimum light level of is required on the surface, though is recommended for better visibility. : The inspector's eye should generally be within : Minimum light intensity at the surface should
), vernier callipers, feeler gauges, and profile measuring devices. 📚 Research & Summary Papers iso 17637 pdf
ISO 17637 is an international standard published by the International Organization for Standardization (ISO) that focuses on non-destructive testing (NDT) and specifically deals with "Non-destructive testing - Radiation methods - Computed radiography".