Working Principle:

Welding inspection ruler: This product mainly consists of four parts: main ruler, height ruler, undercut depth ruler, and multi-purpose ruler. It is a welding inspection ruler used to detect various groove angles, heights, widths, gaps, and undercut depths of welded parts Welding inspection ruler: This product mainly consists of four parts: main ruler, height ruler, undercut depth ruler, and multi-purpose ruler. It is a welding inspection ruler used to detect various groove angles, heights, widths, gaps, and undercut depths of welded parts. Scope of application: Welding rulers are suitable for testing boilers, bridges, shipbuilding, pressure vessels, and oil field pipelines. It is also suitable for measuring parts with high welding quality requirements. Made of stainless steel material, with a reasonable structure, beautiful appearance, convenient use, and wide measurement range.