izmertechИзмерительная техникаIzmeritel`naya Tekhnika0368-10252949-5237ФГУП "ВНИИФТРИ"izmertech-608Research ArticleСтатьиПереопределение кельвина и перспективы совершенствования Государственного первичного эталона единицы температуры в диапазоне от 0 до 3000 °С ГЭТ 34-2007ПоходунА. И.A.I.Pokhodun@vniim.ruВсероссийский научно-исследовательский институт метрологии им. Д. И. МенделееваRussian Federation2017070220230123236Copyright © ФГУП "ВНИИФТРИ", 20232023ФГУП "ВНИИФТРИ"ФГУП "ВНИИФТРИ"https://www.izmt.ru/jour/about/submissions#copyrightNoticehttps://www.izmt.ru/jour/article/view/608

Рассмотрены состояние и перспективы дальнейшего совершенствования Государственного первичного эталона единицы температуры в диапазоне от 0 до 3000 °С ГЭТ 34-2007. Основными задачами, которые необходимо решить в процессе совершенствования ГЭТ 34-2007, являются обеспечение способности воспроизводить кельвин в соответствии с его новым определением (планируемым вступить в силу в 2019 г.) в диапазоне выше 961,78 С°, повышение точности воспроизведения кельвина в 1,5-2 раза, расширение диапазона воспроизведения единицы температуры до 3200 С°. Показаны пути совершенствования ГЭТ 34-2007 для реализации Международной температурной шкалы 1990 г. (МТШ-90) в диапазоне 273,15-1235 К.

The article examines The state-of-art and prospects for further improvement of the State primary measurement standard of a unit of temperature in the range from 0 to 3000 °С the GET 34-2007. The main tasks that should be addressed in the process of improving that Measurement Standard are as follows: providing the ability to reproduce the kelvin in the range above 961,78oС in accordance with its new definition, which may come into force in 2019; improvement the accuracy of Kelvin's reproduction in 1,5-2 times; extension the range of reproduction of the unit of temperature to 3200oС. The ways of perfection of the GET 34-2007 for realization of the ITC-90 in a range from 273,15 to 1235 K are shown.

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The authors declare that there are no conflicts of interest present.