Welcome to the Open Access Repository of the Physikalisch-Technische Bundesanstalt (PTB-OAR)

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.

All Resources

Progressing optical gas standard concepts (2021); Qu, Zhechao; Benoy, Thomas; Nwaboh, Javis; Werhahn, Olav; Ebert, Volker; DOI: 10.7795/610.20200122A
Laser spectrometric AMC detection - methods, uncertainties, metrological traceability (2021); Qu, Zhechao; Benoy, Thomas; Nwaboh, Javis; Werhahn, Olav; Ebert, Volker; DOI: 10.7795/610.20200122B
Progressing dTDLAS based HCl Optical Gas Standards - towards meeting type approval requirements of EN 15267 4 (2021); Qu, Zhechao; Werhahn, Olav; Ebert, Volker; DOI: 10.7795/610.20200122C
Kalibrierung von Druckmessgeräten : Richtlinie DKD-R 6-1, Revision 3 (2020); Mitglieder des Fachausschusses Druck und Vakuum des DKD; DOI: 10.7795/550.20201221
Additional data for the publication "Coherent Suppression of Tensor Frequency Shifts through Magnetic Field Rotation" (2020); Lange, Robert; Huntemann, Nils; Sanner, Christian; Shao, Hu; Lipphardt, Burghard; et al. DOI: 10.7795/710.20201222
Quantum Logic Spectroscopy of Highly Charged Ions (2020); Micke, Peter; DOI: 10.7795/110.20201222
Dataset for the publication "Coherent Excitation of the Highly Forbidden Electric Octupole Transition in 172Yb+" (2020); Fürst, Henning; Yeh, Chih-Han; Kalincev, Dimitri; Kulosa, André; Dreissen, Laura; et al. DOI: 10.7795/720.20201221
Ergebnisse zur DKDMitgliederbefragung 2017/2018 : Expertenbericht DKD-E 0-1 (2020); Physikalisch-Technische Bundesanstalt, Braunschweig; DOI: 10.7795/550.20201211
Calibration of instruments and standards for roughness metrology, Calibration of standards with periodic profiles in horizontal direction by means of stylus instruments : Guideline DKD-R 4-2 Sheet 3 (2011); Physikalisch-Technische Bundesanstalt, Braunschweig; DOI: 10.7795/550.20201215
Messunsicherheitsbeitrag bei der Quantisierung von Messwerten : Expertenbericht DKD-E 13-1 (2020); Physikalisch-Technische Bundesanstalt, Braunschweig; DOI: 10.7795/550.20201012
A new approach to hearing assessment, A guidance document for researchers, calibration service providers and audiometric clinicians (2020); Barham, Richard; Sandermann-Olsen, Erling; Barrera-Figueroa, Salvador; Sadikoglu, Enver; Hof, Christian; et al. DOI: 10.7795/EMPIR.15HLT03.RE.20201020
Simulated simultaneous 18F-NaF PET/MR with physiological motion and ground truth information (2020); Mayer, Johannes; Kolbitsch, Christoph; DOI: 10.7795/710.20201113
Catalogue of unfiltered x-ray spectra from tungsten-, molybdenum-, and rhodium-anode-based x-ray tubes with generating voltages from 10kV to 50kV in steps of 1kV (2020); Ketelhut, Steffen; Büermann, Ludwig; DOI: 10.7795/720.20201118
PTB-Anforderungen 5.01 „Automatische Füllstandsmessgeräte für stationäre Lagerbehälter“. Ausgabe Juli 2020 (2020); Physikalisch-Technische Bundesanstalt (PTB); DOI: 10.7795/510.20201022A
PTB-Anforderungen 5.02 „Lagerbehälter“. Ausgabe Juli 2020 (2020); Physikalisch-Technische Bundesanstalt (PTB); DOI: 10.7795/510.20201022B

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