– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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BIPM staff members  

Mass - Kibble balance; Executive Secretary of the CCM

Contact details

    Dept./Section:      Physical Metrology Department
     E-mail (@bipm.org):       fang
     Tel.:       +33 1 45 07 62 56
     Fax:       +33 1 45 34 20 21


Hao is the Executive Secretary of the Consultative Committee for Mass and Related Quantities (CCM). She also leads the development of the BIPM watt balance as a means for the practical realization of the expected new definition of the mass unit.

Hao joined the Mass Department in 1999 and has worked on refractometry, ellipsometry and studies related to air density determination and surface sorption on mass standards. Since 2004 she has been mainly involved in the BIPM watt balance experiment.

Selected publications

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BIPM organigram
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