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 The CCT has nine working groups and a task group, listed below. The Chairs are named individuals, and the formal members are the listed NMIs or RMOs – with, in some cases, additional experts and/or representatives of other groups. For the names of the delegates at the last meetings, please refer to the CC Directory.
| WG1 | WG2 | WG3 | WG4 | WG5 | WG6 | WG7 | WG8 | WG9 | TG-SI |
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WG1 |
CCT Working Group 1: Defining fixed points and interpolating instruments |
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Chair: Dr D.C. Ripple, NIST
Members: INRIM, KRISS, LNE, NIST, NMIJ, NPL, NRC-INMS, PTB, VNIIM
Terms of reference
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WG2 |
CCT Working Group 2: Secondary reference points and techniques for approximating the ITS-90 |
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Chair: Mr K.D. Hill, NRC-INMS
Members: CENAM, INRIM, KRISS, LNE, MSL, NIM, NMIJ, NMISA, NRC-INMS, PTB
Terms of reference
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WG3 |
CCT Working Group 3:
Uncertainties  |
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Chair: Mr D.R. White, MSL
Members: CEM, CENAM, INRIM, IPQ, LNE, MSL, NMIA, NMIJ, NMi-VSL, NIST, PTB, SMU, UME, VNIIM
Terms of reference
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WG4 |
CCT Working Group 4: Thermodynamic temperature determinations and extension of the ITS-90 to lower temperatures |
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Chair: Dr J. Fischer, PTB
Members: INRIM, KRISS, LNE, MSL, NIST, NMIJ, NPL, NRC-INMS, PTB
Terms of reference
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WG5 |
CCT Working Group 5:
Radiation thermometry |
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Chair: Dr G. Machin, NPL
Members: INRIM, KRISS, LNE, MSL, NIM, NIST, NMC/SPRING, NMIA, NMIJ, NMi-VSL, NPL, PTB, SMU, UME, VNIIM
Terms of reference |
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WG6 |
CCT Working Group 6: Humidity measurements |
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Chair: Dr P.H. Huang, NIST
Members: CENAM, INRIM, KRISS, LNE-CETIAT, MSL, NIM, NIST, NMIJ, NMi-VSL, NPL, PTB, NMC/SPRING, UME
Terms of reference
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WG7 |
CCT Working Group 7:
Key comparisons |
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Chair: Dr A. Steele, NRC-INMS
Members: Pilots of CCT-K1, CCT-K2, CCT-K3, CCT-K4, CCT-K5, CCT-K6, CCT-K7, Chair of CCT-WG3, KCDB Manager, INRIM, KRISS, NMIA
Terms of reference
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WG8 |
CCT Working Group 8: Calibration and measurement capabilities |
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Chair: Mr G.F. Strouse, NIST
Members: APMP, COOMET, EUROMET, SADCMET, SIM
Terms of reference
CMC review protocols
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WG9 |
CCT Working Group 9: Thermophysical properties |
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Chair: Dr T. Baba, NMIJ
Members: INRIM, IPQ, KRISS, LNE, NIM, NIST, NMIJ, NPL, PTB, VNIIM
Terms of reference
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TG-SI |
CCT TG-SI: Task Group on the SI |
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Chair: Dr J. Fischer, PTB
Members: INRIM, KRISS, LNE-INM/CNAM, MSL, NIM, NIST, NMIJ, NPL, NRC-INMS, VNIIM, the CCT President and CCT Executive Secretary
Terms of reference
Report submitted to the CIPM (2007)
Note on updating the definition of the kelvin
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CCT summary
