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

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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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Metrology areas
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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

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The 2018 revision of the SI
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Metrologia
Guide to the Expression of Uncertainty in Measurement
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meetings

List of meetings

Meetings of the CCRI(III)-HE-TG

Past Meeting

CCRI(III)-HE-TG

03
February
2026

Vincent Gressier
CCRI(III)-HE-TG

Past Meeting

CCRI(III)-HE-TG

08
December
2025

Vincent Gressier
CCRI(III)-HE-TG

Past Meeting

CCRI(III)-HE-TG

25
September
2025

Vincent Gressier
CCRI(III)-HE-TG

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