Logo of the Physikalisch-Technische Bundesanstalt


Mit ihrem Kompetenzzentrum Windenergie sorgt die PTB für den sicheren und effizienten Betrieb von Windenergieanlagen. Bundeswirtschaftsminister Dr. Robert Habeck hat den schwergewichtigen Neuzugang eingeweiht: eine weltweit einmalige Maschine zur Messung großer Drehmomente, die insbesondere bei Offshore-Windkraftanlagen auftreten.

Noch mehr Platz für Kinder

Durch die große Kita-Erweiterung auf dem Gelände der PTB in Braunschweig können demnächst bis zu 80 Kinder betreut werden - doppelt so viele wie bisher. Die feierliche Eröffnung der Kita-Erweiterung fand am 15. September statt.

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The expedition blog

The last sunset in the harbour of Townsville, Australia (Picture: Rieke Schäfer)


In 55 days she traveled around the world, much of it by ship. Now Rieke Schäfer is back in Braunschweig and looks back on the interesting journey. – From 14 April to the beginning of June, Rieke Schäfer, a doctoral student at PTB, has been sharing her everyday experiences of conducting research at sea on board the research vessel "Sonne". 

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Best oral presentation @ DS-ISMRM [ more ]

Aerosol metrology for atmospheric research and air quality [ more ]

„ELVIS“ beim Tag der offenen Tür im BMWK [ more ]

Study on the analytical behavior of explainable AI methods published [ more ]

Smart medical implants in Magnetic Resonance Imaging (MRI) [ more ]

Europäische Kooperation im gesetzlichen Messwesen (WELMEC) legt überarbeiteten Software Guide 2023 vor. [ more ]

VUV-Lasersystem für die Anregung eines Atomkerns [ more ]

Learning Regularization Parameter-Maps for Variational Image Reconstruction using Deep Neural Networks and Algorithm Unrolling [ more ]

Bottom-up approach for traceable calibration of tip geometry of stylus profilometer awarded “Paper of the Year 2022” [ more ]

PTB – the National Metrology Institute of Germany

PTB's profile of tasks

In Braunschweig and Berlin, time comes from atomic clocks, lengths are measured far into the nano-world, scientists do research on fundamental questions concerning the physical units, and the employees in the laboratories calibrate measuring instruments, meeting the most demanding requirements. Therefore, the Physikalisch-Technische Bundesanstalt is among the top names in metrology worldwide. As Germany's national metrology institute, PTB is Germany's highest authority when it comes to correct and reliable measurements. It is the supreme technical authority of the Federal Ministry for Economic Affairs and Climate Action (BMWK) and employs a total of approx. 1900 staff members. PTB operates an integrated Opens internal link in current windowquality management system which covers the four interlinked field of business. (Initiates file downloadSelf-Declaration on quality management).

Opens internal link in current windowThe PTB's entire range of services  is just a mouse click away. Here you can quickly and reliably find the metrological service you are looking for and likewise all the necessary details: the contact person, the scope of services and other relevant information.