PTB is the national metrology institute of the Federal Republic of Germany.
This database grants free access to a number of documents and factual datasets that were elaborated at PTB. This includes publications such as the "PTB-Mitteilungen", the metrological expert journal of PTB, and numerous of documents from the field of legal metrology.
Please use the search function or the category selection on the right-hand side to find the publications you are looking for.
When downloading the publications, please take the license conditions for further use into account.