The METAS (Federal Institute of Metrology) company is a reference laboratory and research institute specializing in the development and implementation of measurements, calibrations, tests, and certifications in various fields such as physics, chemistry, and biology. The core activities include: Research and development in metrology; Calibration, verification, and testing of measuring instruments and systems; Consulting, expert opinions, and appraisals in matters of measurement and testing; Conformity assessment and certification of products and systems; Operation of national reference laboratories for various measurement quantities and areas; Conducting data security audits and legal metrology; Development and implementation of courses and training in metrology. The METAS company plays a crucial role in ensuring measurement accuracy and security in Switzerland and offers its services to both industry and the public sector.