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PTB is the National Metrology Institute of Germany with scientific and technical service tasks. PTB measures with the highest accuracy and reliability – metrology as the core competence. PTB stands for progress and reliability in metrology for the benefit of society, trade and industry, and science.

Register now for the Cyber Security Event & Plugfest US

Join us in Detroit, Michigan from May 12–14 for the OCA Cyber Security Conference and OCPP Plugfest North America 2026.