BIPM - Resolution 4 of the 13th CGPM

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

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of the 13th CGPM

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	Definition of the SI unit of thermodynamic temperature (kelvin)*		(3)	(5)

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, 104

Metrologia, 1968, 4(1), 43

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.