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General Conference on Weights and Measures
28th meeting - 13-15 October 2026

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    • AUV: Acoustics, Ultrasound and Vibrations
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      • BIPM contact: Dr Gianna Panfilo
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Metrology areas

  • AUV: Acoustics, Ultrasound and Vibrations
    • CCAUV
    • BIPM contact: Dr Gianna Panfilo
  • EM : Electricity and Magnetism
    • Metrologia: Focus on Metrology in Electricity and Magnetism
    • CCEM
    • BIPM contact: Dr Michael Stock
  • L: Length
    • CCL
    • BIPM contact: Dr Gianna Panfilo
  • M: Mass and related quantities
    • CCM
    • BIPM contact: Dr Hao Fang
  • PR: Photometry and Radiometry
  • QM: Chemistry and Biology
    • People
  • RI: Ionizing radiation
  • T: Thermometry
  • TF: Time and Frequency
    • CCTF
    • BIPM Time Department Database
    • Time FTP Server
    • BIPM contact: Dr Patrizia Tavella
  • U
    • CCU

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  • The 2018 revision of the SI
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    • 26th CGPM (November 2018)
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    • Resolution 1 of the 26th CGPM (2018)
    • SI Brochure (2019)
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28th CGPM: Key outcomes and documents

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Chemistry

Gas Metrology

 

Organic Metrology

Ionizing Radiation

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Radiation Dosimetry Metrology

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Time Metrology

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Digital transformation at the BIPM

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CIPM Mutual Recognition Arrangement

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Joint Committee for Guides in Metrology

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Joint Committee for Traceability in Laboratory Medicine

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