joint ccm and ccu roadmap for the adoption of the … · joint ccm and ccu roadmap for the adoption...
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Joint CCM and CCU roadmap for the adoption of the revision of the International System of Units
Dr Philippe Richard, CCM President and Prof. Joachim Ullrich, CCU President
CCM and CCU roadmap for the revised SI
2
2013 2014 2015 2016 2017 2018
14
CCM
15
CCM
16
CCM
CCU
CGPM
CGPM
Convocation
Convocation
Mise en pratique (mep kg)
Initial pilot study (kg)
(preparation, measurements & report)
BIPM extraordinary
calibration with IPK
Traceability
mep kg
approved
CCM
R3
CCM
R4
CCM
R1&2
XRCD and available WB publish consistent results
BIPM pool established and characterized
Pool linked to experiments
CODATA (2017 LSA)
CIPM
CCU
CCU
Consultation / announcement
EMRP kNOW and NewKILO projects
NMI directors meetings
Metrologia special edition
(with references for the mep)
updated mep kg
approved
Conditions from CCM Recommendation G1 (2013)
to IPK
01.07.2017
Closing date
for new data
CCM and CCU roadmap for the revised
3
2014 2015 2016 2017 2018 2019
15
CCM
16
CCM
CGPM
CGPM
Convocation
Convocation
Mise en pratique
(mep kg)
Initial pilot study (kg)
(preparation, measurements & report)
Extraordinary
calibration with IPK
mep kg
approved
CCM
R3
CCM
R4
CCM
R1&2
XRCD and available WB publish consistent results
BIPM pool established
and characterized Pool linked to experiments
CODATA (LSA)
106
CIPM
CCU
CCU
Consultation
EMRP projects
WMD
Metrologia special edition
(with references for the mep)
updated mep kg
approved
Conditions from CCM Recommendation G1 (2013)
01.07.2017
Closing date
for new data
17
CCM
CCU
WMD
4 www.bipm.org
CCM conditions (before redefinition)
R1 Consistency Three independent experiments (XRCD & WB) with consistent results with urel < 5·10-8
R2 Uncertainty at least one result with urel < 2·10-8
R3 Traceability Extraordinary calibration with IPK @ BIPM
R4 Validation Validation of the mise en pratique according to the CIPM-MRA
