BIPM - Resolution 4 of the 13th CGPM

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Resolution 4 of the 13th CGPM (1967/68)

Version française

Definition of the SI unit of thermodynamic temperature (kelvin)*

The 13th Conférence Générale des Poids et Mesures (CGPM),

considering that it is useful to formulate more explicitly the definition of the unit of thermodynamic temperature contained in Resolution 3 of the 10th CGPM (1954),

decides to express this definition as follows:

"The kelvin, unit of thermodynamic temperature, is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water."

Reference:

Comptes Rendus de la 13^e CGPM (1967/68), 1969, p.104

Metrologia, 1968, 4(1), 41-45

Note:

See Recommendation 5 (CI-1989) of the CIPM on the International Temperature Scale of 1990.

The reader should note that the official version of this Resolution is the French text.

Other Resolutions of the 13th CGPM (1967/68)

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