The Practical Salinity Scale 1978 (PSS-78) and the 1980 International Equation of State of Seawater (EOS-80) are based on measurements which are in turn based on the International …

Feb 13, 2011 · The international practical temperature scale (IPTS) of 1948 was the result of refinements in the values of reference points of ITS-27. In IPTS-68, "Kelvin" (K) was first …

(IPTS-1968). Effective 1 January 1969, IPTS-1968 replaces the International Practical Temperature Scale of 1948, as amended in 1960 (IPTS-1948). The basic temperature is the …

Principles of the International Temperature Scale of 1990 (ITS-90) The ITS-90 extends upwards from 0.65 K to the highest temperature practicably measurable in terms of the Planck radiation …

Jan 1, 1970 · This chapter discusses the international practical temperature scale of 1968 (IPTS-68) and its various applications. In this chapter the definition of the IPTS-68 will be given.

IN October 1968, the Comite International des Poids et Mesures (CIPM) adopted the International Practical Temperature Scale of 1968 (IPTS-68) to replace the IPTS-48.

The Comité International des Poids et Mesures (CIPM) at its meeting in October 1968 agreed to adopt the International Practical Temperature Scale of 1968 (IPTS-68) in accordance with the …

Jan 1, 1976 · The scale presented in this document was proposed by the International Committee of Weights and Measures in 1974 and adopted by the 15th General Conference of Weights …

Mar 4, 2021 · Over the oceanographic ranges of temperature, a linear approximation is used to convert: IPTS-68 = 1.00024 * ITS-90. The difference is small, but at WOCE levels it is …

There are Pt100 Ω standards of IPTS-68, ITS-90, and JPt100 Ω, but what is the difference between them? IPTS-68: This is an international standard from 1968 where R100/R0=1.3850 …