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11 results for “ITS-90 (1990)

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ITS-90

The International Temperature Scale of 1990: defined fixed points (e.g. the triple point of water, 273.16 K) and specified interpolation instruments through…

CCT / BIPM

…Scaleof1990(ITS-90) [2]intermsoftheratioofspectral radiancesoftwoblackbodysources,oneofwhichismaintained atthetemperatureoffreezing silver,gold(1337.33Kor1064.18°C),orcopper(1357.77Kor1084.62°C).The1990NIST ScaleofRadianceTemperature(1990NIST)isarealizationoftheITS-90usingagoldfixed…

Page 14 · SP 250 · 1998 Open PDF at page 14 →