WG-4 Weld Gauge or Bridge Cam Gauge is a unique, versatile instrument for the inspection of welded surfaces and joints.
It measures angle of preparation, 0 to 60 º, excess weld metal ( capping size), depth of undercut, depth of pitting, fillet weld throat size, fillet leg length, misalignment ( high-low), and linear measurements up to 60mm or 2 inches.
It measures in both inch or millimeters.
It is easy to use. It comprising of one rotating dial and one sliding pointer. Move the dial or pointer until it makes the appropriate contact and then read the result.