– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
Search facility:

| Site map | News | Contact us
CCM Working Group on Density and Viscosity (CCM-WGDV)

Terms of reference

    To improve techniques for realizing the SI units of density and viscosity;

    To review the results of completed key and supplementary comparisons and plan and support new comparisons on density and viscosity;

    To identify and support future needs for key and supplementary comparisons in the field of density and viscosity;

    To perform CIPM key comparisons on density and viscosity;

    To facilitate the submission and review of CMCs by establishing technical review criteria and service categories and providing guidance on density and viscosity and coordinating the review process; and

    To coordinate research activities on metrology for density and viscosity.


  • Dr Yoshitaka Fujita  (NMIJ/AIST)


  • Dr Kenichi Fujii  (NMIJ/AIST)


  • BEV (Bundesamt für Eich- und Vermessungswesen)
  • BIPM (Bureau international des poids et mesures)
  • CANNON (CANNON Instrument Company of State College)
  • CEM (Centro Español de Metrología)
  • CENAM (Centro Nacional de Metrología)
  • GUM (Central Office of Measures)
  • INMETRO (Instituto Nacional de Metrologia, Qualidade e Tecnologia)
  • INRIM (Istituto Nazionale di Ricerca Metrologica)
  • IPQ (Instituto Português da Qualidade)
  • KRISS (Korea Research Institute of Standards and Science)
  • LNE-Cnam (Conservatoire national des arts et métiers/Institut National de Métrologie)
  • METAS (Federal Institute of Metrology METAS)
  • NIM (National Institute of Metrology)
  • NIS (National Institute of Standards)
  • NIST (National Institute of Standards and Technology, United States Department of Commerce)
  • NMC, A*STAR (Agency for Science, Technology and Research)
  • NMIA (National Measurement Institute, Australia)
  • NMIJ/AIST (National Metrology Institute of Japan, AIST)
  • NMISA (National Metrology Institute of South Africa)
  • NPL (National Physical Laboratory)
  • NPLI (CSIR National Physical Laboratory of India)
  • NRC (National Research Council of Canada)
  • PTB (Physikalisch-Technische Bundesanstalt)
  • RISE (RISE Research Institutes of Sweden AB)
  • SMU (Slovak Institute of Metrology/Slovenský Metrologický Ústav)
  • UME (National Metrology Institute of Turkey)
  • VNIIM (D.I. Mendeleyev Institute for Metrology)
  • VSL (VSL B.V.)
  • RMO Technical Committee chairs in the field of Mass and Related Quantities or their representatives
CCM summary
General information
Members of the CCM
CCM publications and bibliography
CCM Guidelines on final reports of comparisons
CCM e-News
CCM strategy
CCM working groups
Key comparisons
Open documents
CCM documents
CCM-WGG documents
CCM-WGH documents
CCM-WGPV documents
Workshop on the mise en pratique (Nov. 2012)