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2 Metrological Infrastructure
Table 2.1 List of consultative committees operating under international committee for weights and
measures
Name in English
Name in French
Commonly used abbreviation
(originating from the French
name)
Consultative Committee for
Acoustics, Ultrasound and
Vibration
Comité Consultatif de
l’Acoustique, des Ultrasons at
des Vibrations
CCAUV
Consultative Committee for
Electricity and Magnetism
Comité Consultatif
d’Électricité et Magnétisme
CCEM
Consultative Committee for
Length
Comité Consultatif des
Longueurs
CCL
Consultative Committee for
Mass and Related Quantities
Comité Consultatif pour la
Masse et les Grandeurs
Apparentés
CCM
Consultative Committee for
Photometry and Radiometry
Comité Consultatif de
Photométrie et Radiométrie
CCPR
Consultative Committee for
Amount of Substance:
Metrology in Chemistry and
Biology
Comité Consultatif pour la
Quantité de Matiére –
metrologie en chimie
CCQM
Consultative Committee for
Ionizing Radiation
Comité Consultatif des
Rayonnements Ionisants
CCRI
Consultative Committee for
Thermometry
Comité Consultatif de
Thermométrie
CCT
Consultative Committee for
Time and Frequency
Comité Consultatif du Temps
et des Fréquences
CCTF
Consultative Committee for
Units
Comité Consultatif des Unités CCU
research and the development of international measurement standards, as well as performing calibrations for national metrology institutions (NMIs), coordinating with
these institutions and organizing key comparisons.
It is worth mentioning that within the framework of the International Committee
for Weights and Measures, dedicated Consultative Committees (CCs) operate dealing
with various areas of measurement. The CIPM currently has ten CCs (Table 2.1).
The role of listed above Consultative Committees are crucial, especially in respect
to couching the recommendations for CIPM, and in terms of the organization of topicoriented key comparisons of national measurement standards. Some tasks listed on
the BIPM webpage are recall below.