A densitometer includes a plurality of light-emitting diodes and at least one sensor. Component-types are created from base classes comprising slot definitions. The fastening strip is equipped with a male and a female Velcro component at the opposite lateral sides thereon respectively for mutual fastening thereby. The disclosed embodiment further comprises at least one via in the substrate, which provides an electrical connection between a signal bond pad of the semiconductor die and the printed circuit board. The system has a document creation means adapted to automatically create a document for a selected jurisdiction using the information obtained from a user.