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

Redondeo de resultados e incertidumbres de medida en los certificados de calibración : Guía DKD-L 13-3 (2021); Physikalisch-Technische Bundesanstalt (PTB); DOI: 10.7795/550.20220720
Measurement uncertainty contribution in the quantisation of measurement values : Expert Report DKD-E 13-1 (2020); Members of the Technical Committee Measurement Uncertainty of the DKD; DOI: 10.7795/550.20220715
Calibración de dispensadores de una sola carrera y buretas de pistón : Directriz DKD-R 8-3 (2020); Physikalisch-Technische Bundesanstalt, Braunschweig; DOI: 10.7795/550.20220714
PTB-Anforderungen 12.06 „Laserhandmessgeräte“. Ausgabe Mai 2022 (2022); Physikalisch-Technische Bundesanstalt (PTB); DOI: 10.7795/510.20220624
319. PTB-Seminar, Aktuelle Fortschritte von Kalibrierverfahren im Nieder- und Hochfrequenzbereich 2022 (2022); Räther, Peter; Mohns, Enrico; Langemann, Jannes; Blaz, Michael; Li, Lingxiang; et al. DOI: 10.7795/810.20220629
Raffiniert gekoppelte Schwingungen, Zur Dynamik des azimutal-radialen Pendels - Mathematische Modellierung, numerische Lösung und Experiment (2022); Hamp, Jonas; DOI: 10.7795/320.202202
Mit Schwung nach oben, Entwicklung und Fertigung eines Rotorblattes mit optimierter Aerodynamik zum Antrieb eines Quadrocopters (2022); Schaldach, Max; DOI: 10.7795/320.202203
Additions to guidelines DKD-R 5-1:2018, DKD-R 5-3:2018 and DKD-R-5-4:2018 General recommendations and recommendations on comparisons : Expert Report DKD-E 5-1 (2022); The members of the Technical Committee Temperature and Humidity of the DKD; DOI: 10.7795/550.20220610
Ringvergleich Flüssigkeiten Durchflussbereiche: 0,08 m³/h … 1,20 m³/h 0,90 m³/h … 9,00 m³/h 60,00 m³/h … 600,00 m³/h Juni 2017 bis Dezember 2020 : Vergleichsbericht DKD-V 11-3 (2022); Frahm, Enrico; DOI: 10.7795/550.20220609
Dataset of the high-frequency and ultrasound personal exposimeter (HiFUSPEx) validation scans performed in three simulated industrial sound fields (2021); Cieslak, Michal; Kling, Christoph; Wolff, Andrea; DOI: 10.7795/720.20211214
Quantification of Brain Oxygen based on Time and Space Optimization of Diffuse Optics: Monte-Carlo Inversion of Infrared Spectroscopy on Phantoms (2022); Yang, Lin; DOI: 10.7795/110.20220608
Simulation data for "Examining and explaining the “Generalized Laws of Reflection and Refraction” at metasurface gratings" (2022); Schake, Markus; DOI: 10.7795/710.20220601
Calibration of temperature block calibrators at temperatures above 600 °C / Pilot study to determine the measurement uncertainty : Comparison Report DKD-V 5.1 (2017); Physikalisch-Technische Bundesanstalt, Braunschweig; DOI: 10.7795/550.20180215
PTB-Anforderungen 12.14 „Laserhandmessgeräte für Wasserfahrzeuge“. Ausgabe Mai 2022 (2022); Physikalisch-Technische Bundesanstalt (PTB); DOI: 10.7795/510.20220518
Von Baum zu Baum, Vernetzungskorridore für Eichhörnchen in Zürich und deren Kartierung (2022); Wirth, Sarah; DOI: 10.7795/320.202201