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You are employed at a company at which you work with measurement technology? Here you will find current news which may be of interest to you as well as a guide through PTB. 


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Megacoole Nachricht für die Welt der Metrologie: Es gibt neue Einheiten-Vorsätze (Präfixe) für extrem große und extrem kleine Zahlenangaben: Ronna und Quetta sowie ronto und quecto. Die Bekanntheit von Mega (eine Million) oder milli (ein Tausendstel) werden sie sicherlich nicht so schnell erreichen. Aber die Erweiterung war beispielsweise deshalb notwendig, weil durch die Digitalisierung die weltweiten Datenmengen exponentiell wachsen. Hier werden schon jetzt die Präfixe am oberen Ende der bestehenden Skala verwendet. Präfixe für sehr kleine Zahlen sind  für die Quantenwissenschaft und die Teilchenphysik sehr nützlich, betont die Physikalisch-Technische Bundesanstalt (PTB), die als nationales Metrologieinstitut die oberste Instanz in Deutschland für alle Fragen des richtigen und zuverlässigen Messens ist.

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Optische Atomuhr mit hochgeladenen Ionen

Optical atomic clocks are the most accurate measuring instruments ever built and are becoming key tools for basic and applied research, for example to test the constancy of natural constants or for height measurements in geodesy. Now, researchers at the QUEST Institute at the Physikalisch-Technische Bundesanstalt (PTB), in collaboration with the Max Planck Institute for Nuclear Physics (MPIK) and the TU Braunschweig and in the scope of the QuantumFrontiers Cluster of Excellence, have realised for the first time an optical atomic clock based on highly charged ions. This type of ion lends itself to such an application because it has extraordinary atomic properties and low sensitivity to external electromagnetic fields. The researchers report on their results in the current issue of Nature.

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To have a measuring instrument calibrated

Ball plate

In the chapter Opens internal link in current windowMetrological Services (which at this point we would like to recommend to you in general) you will find an overview of the Opens internal link in current windowPTB's Calibration and Measurement Capabilities. Furthermore, each division offers its own measurement and calibration capabilities as a pdf file in each case for downloading – to be found via the respective homepage of the Opens internal link in current windowDivisions.

Professional publications

Testing Instruction
Titelseitenansicht PTB Prüfregel Band 3

PTB has issued a great number of publications surrounding the topic (precision) measurements, for example Test Rules, PTB Requirements, among other things. You will find these at Opens internal link in current windowScientific & technical publications.

Technology offers

Gap measurement standard

Do you want to see whether there are PTB inventions that could possibly be commercially exploited in your company? If so, then have a look at Opens internal link in current windowInnovations and Technology Transfer. You will also find current technology offers in the current issue of Opens internal link in current windowPTB-News

Invitations to Tender of the Procurement Office

Are there goods you may want to offer PTB? Then take a look at the current current invitations to tender of PTB's Procurement Office!