Graticules Ltd. PCB Through the Hole Inspection Microscope with Case
The Graticules Ltd. "Through-the-Hole" microscope is designed for critical inspection of plated through holes in printed circuit boards. When using this tool, the inspector has a view of the complete hole, with the image being distorted to a "bucket" (truncated cone) shape. When used over a light box: voids, drill damage, burrs obstructions, plating faults, can be identified quickly and with certainty.
The microscope is supplied ready to use and in a wooden carrying case. The standard model is suitable for holes up to 3 mm diameter by 3 mm deep.