Aluminium Norf (Alunorf) GmbH is the largest aluminium rolling and remelt plant in the world, setting new standards for the processing of aluminium to sheet and plate for a wide range of applications. In this application, Gocator 2100 series sensors were installed for inline geometry and topography measurement of raw aluminium ingots (8.6 m x 2.2 m x 0.6 m).