CCT logo

Asset Publisher

Working Groups

Asset Publisher

Working Group Members

CCT Working Group for Humidity (CCT-WG-Hu)


Dr Stephanie Bell

National Physical Laboratory

United Kingdom

List of meetings

Meetings and related documents

Past Meeting

  • 15
  • December
  • 2020

Past Meeting

  • 29
  • May
  • 2017


Terms of reference

The terms of reference of the CCT-WG-Hu are to advise the CCT on matters relating to humidity, to pursue harmonization relevant to the field of humidity measurements, and to develop and maintain an effective liaison with the international humidity and moisture community.


  • draft a document on uncertainty in humidity;
  • operation of CCT-K6;
  • operation of CCT-K8;
  • strategic planning of ongoing and future key and supplementary comparisons in the field;
  • clarification of quantities, units, symbols and realizations relating to humidity measurement.