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Proof of concept and new developments on a Kibble extension

  • Markus Pabst

    Dr.-Ing. Markus Pabst is a postdoc in the Process Measurement Technology Group at the Department of Mechanical Engineering at Technische Universität Ilmenau.

     ORCID logo EMAIL logo     , Falko Hilbrunner

    Dr.-Ing. Falko Hilbrunner works in research and development in the field of mass comparators at Sartorius Lab Instruments GmbH & Co. KG.

         und Thomas Fröhlich

    Univ.-Prof. Dr.-Ing. habil. Thomas Fröhlich is the head of the Process Measurement Technology Group at the Department of Mechanical Engineering at Technische Universität Ilmenau.

     ORCID logo
Veröffentlicht/Copyright: 7. August 2024
tm - Technisches Messen
Aus der Zeitschrift tm - Technisches Messen Band 91 Heft 9

Abstract

This article describes the proof of concept of a Kibble extension for vacuum mass comparators and its further development. A Kibble extension is a technical extension for vacuum mass comparators to connect to the new definition of the International System of Units (SI) of 2019. A commercially available high-vacuum prototype mass comparator from Sartorius serves as the basis. It is used to compare kilogram prototypes, such as the international prototype kilogram ( K ) , directly with other kilogram mass standards in order to realize a calibration chain. According to the new definition of the SI in 2019, the kilogram is defined by the Planck constant (h), therefore the Kibble extension is designed to enable high-vacuum mass comparators to be converted by technical modifications to allow mass to be realized according to the new definition. The aim is to realize kilogram prototypes and mass standards in the range from 1 mg to 1 kg according to the E1 standard of OIML R111-1 (2004). Initial measurement results with a prototype of the Kibble extension are presented and evaluated. Based on the experience gained, a lightweight magnet system developed with the use of simulation methods is presented. This is intended to contribute to the further development of the Kibble extension.

Zusammenfassung

Dieser Artikel beschreibt den Konzeptnachweis einer Kibble-Erweiterung für Vakuum-Massekomparatoren und ihre weitere Entwicklung. Eine Kibble-Erweiterung ist eine technische Erweiterung für Vakuum-Massekomparatoren zum Anschluss an die neue Definition des Internationalen Einheitensystems (SI) aus dem Jahr 2019. Als Grundlage dient ein kommerziell erhältlicher Hochvakuum-Prototyp-Massekomparator von Sartorius. Damit lassen sich Kilogrammprototypen, wie der internationale Prototyp des Kilogramms ( K ) , direkt mit anderen Kilogrammmassenormalen vergleichen, um eine Kalibrierkette zu realisieren. Nach der Neudefinition des SI im Jahr 2019 wird das Kilogramm durch die Planck-Konstante (h) definiert, daher ist die Kibble-Erweiterung so konzipiert, dass Hochvakuum-Massekomparatoren durch technische Modifikationen so umgerüstet werden können, dass die Masse nach der neuen Definition realisiert werden kann. Ziel ist es, Kilogrammprototypen und Massennormale im Bereich von 1 mg bis 1 kg nach dem E1-Standard der OIML R111-1 (2004) zu realisieren. Erste Messergebnisse mit einem Prototyp der Kibble-Erweiterung werden vorgestellt und ausgewertet. Basierend auf den gewonnenen Erfahrungen wird ein mit Hilfe von Simulationsmethoden entwickeltes Leichtbau-Magnetsystem vorgestellt. Damit soll ein Beitrag zur Weiterentwicklung der Kibble-Erweiterung geleistet werden.

Keywords: Kibble balance; mass comparator; mass determination; magnetic simulation; international system of units
Stichwörter: Kibble-Waage; Massekomparator; Massebestimmung; magnetische Simulation; internationales Einheitensystem
Corresponding author: Markus Pabst, Department of Mechanical Engineering, Institute of Process Measurement and Sensor Technology, Technische Universität Ilmenau, Gustav-Kirchhoff-Str. 1, 98693 Ilmenau, Germany, E-mail:

About the authors

Markus Pabst

Dr.-Ing. Markus Pabst is a postdoc in the Process Measurement Technology Group at the Department of Mechanical Engineering at Technische Universität Ilmenau.

Falko Hilbrunner

Dr.-Ing. Falko Hilbrunner works in research and development in the field of mass comparators at Sartorius Lab Instruments GmbH & Co. KG.

Thomas Fröhlich

Univ.-Prof. Dr.-Ing. habil. Thomas Fröhlich is the head of the Process Measurement Technology Group at the Department of Mechanical Engineering at Technische Universität Ilmenau.

  1. Research ethics: Not applicable.

  2. Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  3. Competing interests: The authors state no conflict of interest.

  4. Research funding: None declared.

  5. Data availability: Not applicable.

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Received: 2024-03-20
Accepted: 2024-07-16
Published Online: 2024-08-07
Published in Print: 2024-09-25

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. Measurement uncertainty, data quality and data-driven modelling
  4. Research Articles
  5. Metrology for sensor networks: metrological traceability and measurement uncertainties for air quality monitoring
  6. Proof of concept and new developments on a Kibble extension
  7. Leveraging measurement data quality by adoption of the FAIR guiding principles
  8. Combination of generic novelty detection and supervised classification pipelines for industrial condition monitoring
  9. Test of conformance or non-conformance with geometrical specifications
  10. Data-driven modeling in metrology – A short introduction, current developments and future perspectives
https://doi.org/10.1515/teme-2024-0035
Schlagwörter für diesen Artikel
Kibble balance; mass comparator; mass determination; magnetic simulation; international system of units

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. Measurement uncertainty, data quality and data-driven modelling
  4. Research Articles
  5. Metrology for sensor networks: metrological traceability and measurement uncertainties for air quality monitoring
  6. Proof of concept and new developments on a Kibble extension
  7. Leveraging measurement data quality by adoption of the FAIR guiding principles
  8. Combination of generic novelty detection and supervised classification pipelines for industrial condition monitoring
  9. Test of conformance or non-conformance with geometrical specifications
  10. Data-driven modeling in metrology – A short introduction, current developments and future perspectives
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