METAS - The National Metrology Institute The Federal Institute of Metrology METAS realises and disseminates internationally harmonised and recognised units of measurement with the necessary accuracy. It supervises the deployment of measuring instruments in the fields of commerce, traffic, public safety, health and environment. METAS supervises the execution of legal provisions carried out by the cantons and by the authorised verification offices. METAS' activities are ruled by the law on metrology (German, French and Italian only). METAS delivers various services to the benefit of society, economy, research and government.