The seven base units of the International System of Units (SI) form the basis of almost all of PTB's work. If you would like to know more about the SI or the units, please take a look at our extensive selection of free brochures and journals on this subject.
PTB Info Sheet, 6 pages, 2017.
The idea - The experiments - Trouble with the kilogram - The event - The news SI at school - the news SI in science - The new SI in technology - The new SI in public life
You can order the Info sheet free of charge at PTB (address: on the right) or you can download it as a pdf file.
(in German only, English issue will follow)
PTB-Mitteilungen 2/2016, 116 Seiten, 2016.
In ihrem eigenen Fachjournal, den PTB-Mitteilungen, beschreiben Wissenschaftler der PTB die entscheidenden Experimente und den generellen Forschungsstand zum neuen Internationalen Einheitensystem.
Experimente für das neue Internationale Einheitensystem (SI) (13.4 MB) PTB-Mitteilungen 2016, Heft 2
German version of the BIPM "SI Brochure". 8. edition, Special edition of PTB-Mitteilungen, 2007
At the moment, this German (printed) version is not available.
The original English version can be found on the 
BIPM webpages.
Erschienen als Heft 2.2017 der PTB-Mitteilungen, 88 Seiten, 2017.
Sie können das Heft hier direkt als pdf herunterladen.
Namensgeber physikalischer Einheitren (46 MB) PTB Mitteilungen 2017, Heft 2
