The Physikalisch-Technische Bundesanstalt (PTB) is the national metrology institute of the Federal Republic of Germany, with scientific and technical service tasks. It is a higher federal authority and a public-law institution directly under federal government control, without legal capacity, under the auspices of the Federal Ministry for Economic Affairs and Energy.
- Country
- Germany
- Headquarters
- Brunswick
- Inception
- 1887
- Website
- https://www.ptb.de/
