If you are seeking an alternative to capacitive or radioactive devices for measuring the thicknesses of films, laminate layers, or surface coatings, then look no further than the StraDex family of products from ISIS sentronics GmbH of Mannheim, Germany.
If your needs require the ability to measure tight tolerance surfaces and cavity dimensions, ISIS sentronics has you covered there as well with their RayDex family of products.
For accurate measurements with the lowest total cost of ownership, ISIS sentronics should be your first choice.