Porosity Detectors

Caltech Engineering Services India offer multi voltage pinhole detector. This is also known as wet sponge holiday detector or wet sponge pinhole detector. The multi-voltage pinhole detector, which uses the wet sponge principle to detect through pinholes, cracks and damaged areas in protective coatings up to a maximum thickness of 500 microns. Pinhole Detectors or wet sponge tester detects pinholes, voids, thin spots, foreign inclusions, or contamination in coatings film. Dielectric srenth of film also refered as holiday detection.