Skip to Main Content

Sign in
Metrology areas
Quick links
français

Working together to promote and advance the global comparability of measurements

français

français

About us
About us
Benefits of participation
Benefits of participation
Governance
Governance
Our Mission and Objectives
Our Mission and Objectives
Historical information
Historical information
CGPM (2026)
Coordination
Coordination
CIPM MRA
CIPM MRA
CIPM Forums
CIPM Forums
- Page CIPM Forums
- Metrology and Digitalization
CIPM Consultative Committees
CIPM Consultative Committees
- Page CIPM Consultative Committees
- CCAUV
- CCEM
- CCL
- CCM
- CCPR
- CCQM
- CCRI
- CCT
- CCTF
- CCU
Capacity Building and Knowledge transfer: CBKT
Guides in Metrology Committee: JCGM
Guides in Metrology Committee: JCGM
International reference time scales
International reference time scales
Laboratory medicine: JCTLM
Laboratory medicine: JCTLM
Liaison
Liaison
Institutional liaisons
Institutional liaisons
CODATA-TGFC
Joint Committees
Joint Committees
NMI Directors and Member State Representatives
Regional metrology organizations
Regional metrology organizations
- Page Regional metrology organizations
- AFRIMETS
- APMP
- COOMET
- EURAMET
- GULFMET
- SIM
- Toolbox
Technical/Scientific
Technical/Scientific
The SI
The SI
Technical areas of the BIPM
Technical areas of the BIPM
Publications & Events
Publications & Events
Publications
Publications
Metrology resources
Metrology resources
Events
Events

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

Sign in
Metrology areas
Quick links
français

Sign in

Sign In

Authentication failed. Please enable browser cookies and try again.

Sign In

Email Address

Password

Caps Lock is on.

Password forgotten

Sign in
Metrology areas
Quick links
français

Metrology areas

AUV: Acoustics, Ultrasound and Vibrations
- CCAUV
- BIPM contact: Dr Gianna Panfilo
EM : Electricity and Magnetism
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
U
- CCU

Sign in
Metrology areas
Quick links
français

Quick links

The 2018 revision of the SI
World Metrology Day
International Vocabulary of Metrology (VIM)
Metrologia
Guide to the Expression of Uncertainty in Measurement
Autres publications
- Resolutions of the CGPM
- Time FTP Server
Capacity Broadening & Knowledge Transfer (CBKT)
NMI Directors and Member State Representatives
- BIPM strategy document
- Toolbox: Benefits and how to participate
JCRB
tests
- Test URL
KCDB

ccl/ccl-wg-cm/2026-10-23

Asset Publisher

Meeting of the CCL-WG-CM (2026)

23 October 2026

Publications

Working documents

Please log in to see more.

CCL logo

Asset Publisher

CCL-WG-CM

Contact
Access
Sitemap
Copyright
Confidentiality

Quick links

Bipm e-news
LinkedIn
YouTube

Pavillon de Breteuil

F-92312 Sèvres Cedex FRANCE

Copyright @ BIPM tous droits réservés

We use cookies to optimize our website. View privacy policy