The International Temperature Scale of 1990 (ITS-90) is an equipment calibration standard specified by the International Committee of Weights and Measures (CIPM) for making …

The ITS-90 extends upwards from 0.65 K to the highest temperature practicably measurable in terms of the Planck radiation law using monochromatic radiation. The ITS-90 comprises a …

It gives a historical review and discusses the major issues linked to the establishment of temperature scales of today and tomorrow. 1. Scope. From 1927 to 1975, the various …

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 law using monochromatic …

The International Temperature Scale of 1990 (ITS-90) defines both International Kelvin Temperatures, symbol T 90, and International Celsius Temperatures, symbol t 90. The relation …

The International Temperature Scale of 1990 (ITS-90) is a globally recognized temperature scale introduced by the International Committee for Weights and Measures (CIPM). It serves as a …

For practical details and current good practice for optical pyrometry, see "Supplementary Information for the ITS-90" (BIPM-1990).

The Internet resource for the International Temperature Scale of 1990. The triple point of water is the most important defining thermometric fixed point used in the calibration of thermometers to …

The ITS-90 specifies a set of fixed points (melting, freezing, triple, or boiling points of various pure substances, see Guide Chapter 2 Fixed points), which are used for the calibration of SPRTs in …

2018年5月15日 · ITS-90 contains 17 reference points based on naturally occurring, highly reproducible states: phase transitions (freezing or melting) or the triple points in many familiar, …