Iso 17637 — Pdf

The standard outlines specific environmental and procedural constraints to ensure high-quality, reliable visual inspections.

: The surface must have a minimum white light illuminance of 350 lux , though 500 lux is highly recommended for optimal visibility. If tinted safety goggles are worn, these minimum levels must be increased. iso 17637 pdf

ISO 17637:2016 is the primary international standard for the visual testing (VT) of fusion-welded joints iso 17637 pdf