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

Ergänzungen zur Kalibrierung/Prüfung von Härteprüfmaschinen : Richtlinie DKD-R 9-3 (2023); Mitglieder des Fachausschusses Werkstoffprüfmaschinen des DKD in der Zeit von 2002 bis 2009; DOI: 10.7795/550.20230127
Contribution to the standardisation of measurement of composite and combined high voltages (2023); Meisner, Johann; Gerdinand, Frank; Steiner, Thomas; Dowbysch, Andreas; Gockenbach, Ernst; et al. DOI: 10.7795/EMPIR.19NRM07.CA.20230119
Calibration of a ANSTO 200 L detector using Rn-222 emanation sources (2023); Mertes, Florian; Röttger, Stefan; Röttger, Annette; DOI: 10.7795/720.20230119
Measurement data for "Off-Axis, slit based MTF measurements at PTB" (2022); Schake, Markus; DOI: 10.7795/720.20221215
Dynamic Pressure and Temperature Measurement and Calibration (2022); Wynands, Robert; Adolfse, Carel; Högström, Richard; Durgut, Yasin; Yilmaz, Recep; et al. DOI: 10.7795/310.20220499
Ermittelte Regeln und Erkenntnisse des Regelermittlungsausschusses nach § 46 des Mess- und Eichgesetzes, Stand: 8. November 2022 (2022); Regelermittlungsausschuss bei der Physikalisch-Technischen Bundesanstalt (PTB), Braunschweig; DOI: 10.7795/510.20221202
Simulation of Turbulent Particle-laden Flows and their Electrostatic Charging (2020); Grosshans, Holger; DOI: 10.7795/110.20221208
Pooling to optimize mass testing, Group Testing Protocols in Higher Dimensions to Combat the COVID-19 Pandemic (2022); Mudry, André Louis Gaël; DOI: 10.7795/320.202208
Making Music with Discharges, Development of an Audio Modulated Tesla Coil (2022); Wegmüller, Maz; DOI: 10.7795/320.202209
Superflach und superfix, Ultraschnelle Emissionsprozesse in Graphen (2022); Pröbster, Tamara; DOI: 10.7795/320.202207
Thermoelectric measurements in magnetic nanowires (2020); Fernández Scarioni, Alexander; DOI: 10.7795/110.20221201
Good practice guide to ensure complete conversion from para to normal hydrogen of vaporized liquified hydrogen (2022); Günz, Christian; DOI: 10.7795/110.20221115
Evaluation and Comparison of PIM Measurement Uncertainty using Different Methods (2022); Sayegh, Ahmed; Gellersen, Frauke; Stein, Friederike; Kuhlmann, Karsten; DOI: 10.7795/810.20221118
Additional data for the publication “Experimental determination of the E2-M1 polarizability of the strontium clock transition” (2022); Dörscher, Sören; Klose, Joshua; Maratha Palli, Sarath; Lisdat, Christian; DOI: 10.7795/720.20221026
Die Würfel sind gefallen, Strategieoptimierung des Spieles Qwixx durch maschinelles Lernen (2022); Janetzki, Susann; DOI: 10.7795/320.202206