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Coordinating the world-wide measurement system to ensure comparable and internationally accepted measurement results.

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About us
About us
Benefits of participation
Benefits of participation
Governance
Governance
Our Mission and Objectives
Our Mission and Objectives
Historical information
Historical information
Coordination
Coordination
CIPM MRA
CIPM MRA
CIPM Consultative Committees
CIPM Consultative Committees
- Page CIPM Consultative Committees
- CCAUV
- CCEM
- CCL
- CCM
- CCPR
- CCQM
- CCRI
- CCT
- CCTF
- CCU
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
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

Committee structure: CCAUV

BIPM contact: Dr Gianna Panfilo

EM : Electricity and Magnetism

Metrologia: Focus on Metrology in Electricity and Magnetism

Committee structure: CCEM

BIPM contact: Dr Michael Stock

L: Length

Committee structure: CCL

BIPM contact: Dr Gianna Panfilo

M: Mass and related quantities

Committee structure: CCM

BIPM contact: Dr Hao Fang

PR: Photometry and Radiometry

QM: Chemistry and Biology

BIPM contact

RI: Ionizing radiation

T: Thermometry

TF: Time and Frequency

Committee structure: CCTF

BIPM Time Department Database

Time FTP Server

BIPM contact: Dr Patrizia Tavella

U: The SI (International System of Units)

Committee structure: CCU

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Metrology areas
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Metrology areas

AUV: Acoustics, Ultrasound and Vibrations
- Committee structure: CCAUV
- BIPM contact: Dr Gianna Panfilo
EM : Electricity and Magnetism
L: Length
- Committee structure: CCL
- BIPM contact: Dr Gianna Panfilo
M: Mass and related quantities
- Committee structure: CCM
- BIPM contact: Dr Hao Fang
PR: Photometry and Radiometry
QM: Chemistry and Biology
- BIPM contact
RI: Ionizing radiation
T: Thermometry
TF: Time and Frequency
U: The SI (International System of Units)
- Committee structure: CCU

Sign in
Metrology areas
Quick links
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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
Joint Committee of the RMOs and the BIPM (JCRB)
tests
- Test URL
KCDB

CCRI meetings

List of meetings

Meetings of the CCRI

Entity

CCRI

CCEM-CCRI-TG-LCM

CCRI(I)

CCRI(I)-Uncertainies-WS

CCRI(II)

CCRI(II)-AC-WS

CCRI(II)-AUC-WS

CCRI(III)

CCRI-BSWG(I)

CCRI-CC-WS

CCRI-CCQM-WS

CCRI-COMWG

CCRI-DT-TG

CCRI-ITAD-WS

CCRI-KCWG(I)

CCRI-KCWG(II)

CCRI-RMOWG

CCRI-RS-TG

CCRI-RTWG

CCRI-SP-2020-2025-JWS

CCRI-SWG

CCRI-Webinar

Year

Upcoming Meeting

29th meeting of the CCRI

From 08 to 09
June
2023

Vincent Gressier
CCRI

Upcoming Meeting

CCRI(II)

From 05 to 07
June
2023

CCRI(II)

Upcoming Meeting

CCRI-KCWG(II)

05
June
2023

Vincent Gressier
CCRI-KCWG(II)

Upcoming Meeting

CCRI(I)

From 01 to 02
June
2023

CCRI(I)

Upcoming Meeting

Joint SSDL/CCRI(I) workshop: “Strengthening Ionizing Radiation Metrology”

31
May
2023

CCRI(I)

Upcoming Meeting

CCRI-COMWG

15
May
2023

CCRI-COMWG

Upcoming Meeting

CCRI(III)

From 09 to 12
May
2023

CCRI(III)

Past Meeting

CCRI-DT-TG

17
March
2023

Vincent Gressier
CCRI-DT-TG

Workshop

CCRI-CCQM Workshop on the Use of Mass Spectrometry in Radionuclide Metrology: Opportunities and Challenges

From 14 to 16
February
2023

CCRI-CCQM-WS

Past Meeting

CCRI-COMWG

02
February
2023

CCRI-COMWG

Past Meeting

CCRI Webinar on 'Fast neutron reference fields above 20 MeV: challenges and opportunities'

26
January
2023

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-KCWG(II)

12
December
2022

Vincent Gressier
CCRI-KCWG(II)

Workshop

CCRI Webinar on ’The international system for ionizing radiation metrology’

24
November
2022

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-RTWG

04
October
2022

Vincent Gressier
CCRI-RTWG

Past Meeting

CCRI-KCWG(I)

22
September
2022

Cecilia Kessler
CCRI-KCWG(I)

Past Meeting

CCRI-RS-TG

13
September
2022

Vincent Gressier
CCRI-RS-TG

Workshop

CCRI Webinar on 'Latest developments in beta-radiation metrology'

07
September
2022

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-COMWG

05
September
2022

CCRI-COMWG

Workshop

CCRI Webinar on 'Carbon 14 analysis for dating and climate issues'

30
June
2022

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-RMOWG

27
June
2022

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-COMWG

20
June
2022

CCRI-COMWG

Workshop

CCRI Webinar on 'X-ray machine spectrometry for dosimetry'

31
May
2022

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-RTWG

25
May
2022

Vincent Gressier
CCRI-RTWG

Past Meeting

CCRI-RS-TG

17
May
2022

Vincent Gressier
CCRI-RS-TG

Past Meeting

CCRI-KCWG(II)

From 20 to 22
April
2022

Vincent Gressier
CCRI-KCWG(II)

Workshop

CCRI Webinar on 'Radioactive sources in Metrology: Applications and Alternative Technologies'

19
April
2022

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-COMWG

31
March
2022

CCRI-COMWG

Workshop

CCRI Webinar on 'Git for Metrology'

10
March
2022

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-COMWG

28
February
2022

CCRI-COMWG

Workshop

CCRI Webinar on 'Mass Spectrometry in Radionuclide Metrology'

17
February
2022

Vincent Gressier
CCRI-Webinar

Workshop

CCRI RTQI Workshop on Identifying Needs and Gaps in Metrology for Radionuclide Therapy - Session 2 : Bringing Metrologists and End Users Together

20
January
2022

Vincent Gressier
CCRI-Webinar

Workshop

CCRI webinar on 'Dosimetry of cosmic radiation: a challenge for metrology'

17
November
2021

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-RTWG

26
October
2021

Vincent Gressier
CCRI-RTWG

Workshop

CCRI webinar on 'ICRU report 95: new operational quantities for radiation protection'

12
October
2021

Vincent Gressier
CCRI-Webinar

Workshop

CCRI Webinar on 'Metrology for brachytherapy'

23
June
2021

Vincent Gressier
CCRI-Webinar

Past Meeting

28th meeting of the CCRI (online)

From 08 to 10
June
2021

Vincent Gressier
CCRI

Past Meeting

CCRI(III)

From 01 to 04
June
2021

CCRI(III)

Past Meeting

CCRI(II)

From 01 to 04
June
2021

CCRI(II)

Past Meeting

CCRI(I)

From 01 to 04
June
2021

CCRI(I)

Past Meeting

CCEM-CCRI-TG-LCM

28
May
2021

Vincent Gressier
CCEM-CCRI-TG-LCM

Past Meeting

CCRI-RTWG

27
May
2021

Vincent Gressier
CCRI-RTWG

Past Meeting

CCRI-RMOWG

26
May
2021

Vincent Gressier
CCRI-RMOWG

Workshop

CCRI RTQI Workshop on Identifying Needs and Gaps in Metrology for Radionuclide Therapy – Session 1 : Radiopharmaceutical Therapy

20
May
2021

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-KCWG(II)

11
May
2021

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-RMOWG

29
April
2021

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-KCWG(II)

22
March
2021

Vincent Gressier
CCRI-KCWG(II)

Workshop

CCRI Webinar on 'ISO4037: What is new and why?' by Oliver Hupe (PTB)

18
March
2021

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-RMOWG

16
March
2021

Vincent Gressier
CCRI-RMOWG

Workshop

CCRI Webinar on 'Ionizing Radiation Metrology at CERN’

18
February
2021

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-RTWG

03
February
2021

Vincent Gressier
CCRI-RTWG

Workshop

CCRI Webinar on 'Radiation Processing – Applications and Dosimetry'

14
January
2021

Vincent Gressier
CCRI-Webinar

Workshop

CCRI Webinar on ‘The international reference system for gamma-emitting radionuclides’

15
December
2020

Vincent Gressier
CCRI-Webinar

Workshop

CCRI Webinar on 'Metrology for Radiation Protection'

05
November
2020

Vincent Gressier
CCRI-Webinar

Workshop

CCRI Webinar on 'The past, present and future of ionizing radiation metrology'

19
October
2020

Vincent Gressier
CCRI-Webinar

Past Meeting

CCRI-KCWG(II)

22
September
2020

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-RMOWG

16
September
2020

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-RTWG

09
September
2020

Vincent Gressier
CCRI-RTWG

Past Meeting

CCEM-CCRI-TG-LCM

02
July
2020

Vincent Gressier
CCEM-CCRI-TG-LCM

Past Meeting

CCRI-KCWG(II)

From 07 to 08
November
2019

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

27th meeting of the CCRI

07
June
2019

Vincent Gressier
CCRI

Past Meeting

CCRI-SWG

06
June
2019

Vincent Gressier
CCRI-SWG

Past Meeting

CCRI(III)

From 05 to 06
June
2019

CCRI(III)

Past Meeting

CCRI(II)

From 05 to 06
June
2019

CCRI(II)

Past Meeting

CCRI(I)

From 05 to 06
June
2019

CCRI(I)

Past Meeting

CCRI-KCWG(I)

04
June
2019

Cecilia Kessler
CCRI-KCWG(I)

Past Meeting

CCRI-KCWG(II)

04
June
2019

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(III)

04
June
2019

CCRI(III)

Past Meeting

CCRI-RMOWG

03
June
2019

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-KCWG(II)

From 03 to 04
December
2018

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-SWG

16
March
2018

Vincent Gressier
CCRI-SWG

Past Meeting

CCRI-KCWG(II)

From 13 to 14
March
2018

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-RMOWG

From 12 to 13
March
2018

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-KCWG(II)

From 20 to 21
November
2017

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

26th meeting of the CCRI

From 29 to 30
June
2017

Vincent Gressier
CCRI

Workshop

Joint Workshop “CCRI Strategic Plan 2020-2025 and CIPM MRA Review”

29
June
2017

José María Los Arcos
CCRI-SP-2020-2025-JWS

Past Meeting

CCRI(I)

From 27 to 28
June
2017

CCRI(I)

Past Meeting

CCRI-RMOWG

26
June
2017

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-KCWG(I)

26
June
2017

Cecilia Kessler
CCRI-KCWG(I)

Past Meeting

CCRI(II)

From 21 to 23
June
2017

CCRI(II)

Past Meeting

CCRI(III)

From 21 to 23
June
2017

CCRI(III)

Workshop

Joint Workshop “CCRI Strategic Plan 2020-2025 and CIPM MRA Review”

21
June
2017

José María Los Arcos
CCRI-SP-2020-2025-JWS

Past Meeting

CCRI-KCWG(II)

20
June
2017

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(III)

20
June
2017

CCRI(III)

Past Meeting

CCRI-KCWG(II)

From 16 to 17
November
2016

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(II)

From 17 to 18
March
2016

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(II)

From 09 to 10
November
2015

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

25th meeting of the CCRI

27
March
2015

Vincent Gressier
CCRI

Past Meeting

CCRI-RMOWG

26
March
2015

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI(I)

From 24 to 26
March
2015

CCRI(I)

Workshop

CCRI Workshop on International Traceability for Accelerator Dosimetry

20
March
2015

CCRI-ITAD-WS

Past Meeting

CCRI(II)

From 17 to 19
March
2015

CCRI(II)

Past Meeting

CCRI-KCWG(II)

16
March
2015

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI(III)

From 04 to 06
March
2015

CCRI(III)

Past Meeting

CCRI-KCWG(II)

From 04 to 05
September
2014

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(II)

01
April
2014

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(II)

From 09 to 10
October
2013

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

24th meeting of the CCRI

17
May
2013

Vincent Gressier
CCRI

Past Meeting

CCRI-RMOWG

16
May
2013

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI(II)

From 14 to 16
May
2013

CCRI(II)

Past Meeting

CCRI-KCWG(II)

13
May
2013

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI(III)

From 24 to 26
April
2013

CCRI(III)

Past Meeting

CCRI-KCWG(III)

23
April
2013

CCRI(III)

Past Meeting

CCRI-KCWG(I)

01
April
2013

Cecilia Kessler
CCRI-KCWG(I)

Past Meeting

CCRI(I)

From 26 to 28
March
2013

CCRI(I)

Past Meeting

CCRI-KCWG(II)

From 03 to 04
December
2012

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

23rd meeting of the CCRI

15
May
2012

Vincent Gressier
CCRI

Past Meeting

CCRI-RMOWG

14
May
2012

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-KCWG(II)

From 10 to 11
May
2012

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(II)

18
November
2011

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(II)

17
November
2011

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

22nd meeting of the CCRI

24
June
2011

Vincent Gressier
CCRI

Past Meeting

CCRI(II)

From 21 to 23
June
2011

CCRI(II)

Past Meeting

CCRI-KCWG(II)

20
June
2011

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI(I)

From 04 to 06
May
2011

CCRI(I)

Past Meeting

CCRI-KCWG(I)

03
May
2011

Cecilia Kessler
CCRI-KCWG(I)

Past Meeting

CCRI-RMOWG

02
May
2011

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI(III)

From 30 March
to 01 April
2011

CCRI(III)

Past Meeting

CCRI-KCWG(II)

04
November
2010

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(I)

17
May
2010

Cecilia Kessler
CCRI-KCWG(I)

Past Meeting

CCRI-RMOWG

29
April
2010

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-KCWG(II)

27
April
2010

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(II)

09
September
2009

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

21st meeting of the CCRI

19
June
2009

Vincent Gressier
CCRI

Past Meeting

CCRI(II)

From 17 to 19
June
2009

CCRI(II)

Past Meeting

CCRI-KCWG(II)

15
June
2009

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-RMOWG

12
June
2009

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI(I)

From 13 to 15
May
2009

CCRI(I)

Past Meeting

CCRI-BSWG(I)

12
May
2009

Cecilia Kessler
CCRI-BSWG(I)

Past Meeting

CCRI-KCWG(I)

11
May
2009

Cecilia Kessler
CCRI-KCWG(I)

Past Meeting

CCRI(III)

From 01 to 03
April
2009

CCRI(III)

Workshop

CCRI Section II: Activity Uncertainties and Comparisons Workshop

From 17 to 18
September
2008

CCRI(II)-AUC-WS

Past Meeting

CCRI-KCWG(II)

15
September
2008

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(I)

11
April
2008

Cecilia Kessler
CCRI-KCWG(I)

Past Meeting

CCRI-KCWG(II)

03
December
2007

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-RMOWG

From 29 to 30
November
2007

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI(III)

From 29 to 31
May
2007

CCRI(III)

Past Meeting

CCRI(II)

From 23 to 25
May
2007

CCRI(II)

Past Meeting

CCRI-KCWG(II)

21
May
2007

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI(I)

From 14 to 16
May
2007

CCRI(I)

Workshop

CCRI Coincidence Counting Workshop

21
March
2007

CCRI-CC-WS

Past Meeting

CCRI-RMOWG

From 20 to 21
November
2006

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-KCWG(II)

17
November
2006

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-BSWG(I)

08
November
2005

Cecilia Kessler
CCRI-BSWG(I)

Past Meeting

CCRI-RMOWG

From 01 to 02
September
2005

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI(III)

From 25 to 26
May
2005

CCRI(III)

Past Meeting

CCRI(II)

From 23 to 25
May
2005

CCRI(II)

Past Meeting

CCRI(I)

From 18 to 20
May
2005

CCRI(I)

Workshop

CCRI Section I: Workshop on Dosimetry Uncertainties

17
May
2005

CCRI(I)-Uncertainies-WS

Past Meeting

CCRI-KCWG(II)

10
February
2005

Vincent Gressier
CCRI-KCWG(II)

Workshop

Workshop on CCRI(II) activity comparisons

From 25 to 26
November
2004

CCRI(II)-AC-WS

Past Meeting

CCRI-RMOWG

From 23 to 24
September
2004

Vincent Gressier
CCRI-RMOWG

Past Meeting

CCRI-KCWG(II)

21
September
2004

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI-KCWG(II)

11
March
2004

Vincent Gressier
CCRI-KCWG(II)

Past Meeting

CCRI(II)

From 28 to 30
May
2003

CCRI(II)

Past Meeting

CCRI(III)

From 26 to 27
May
2003

CCRI(III)

Past Meeting

CCRI(I)

From 21 to 23
May
2003

CCRI(I)

Past Meeting

CCRI(III)

From 28 to 29
May
2001

CCRI(III)

Past Meeting

CCRI(I)

23
May
2001

CCRI(I)

Past Meeting

CCRI(II)

From 21 to 23
May
2001

CCRI(II)

Past Meeting

CCRI(II)

From 31 May
to 02 June
1999

CCRI(II)

Past Meeting

CCRI(III)

From 31 May
to 01 June
1999

CCRI(III)

Past Meeting

CCRI(I)

From 26 to 28
May
1999

CCRI(I)

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