M.Yu. Gavalyan, V.G. Kytin

FSUE “VNIIFTRI”, Mendeleevo, Moscow region, Russia
ghavalyan@vniiftri.ru,
vkytin@vniiftri.ru

Al’manac of Modern Metrology № 4 (28) 2021, pages 28–34

Annotation. The installation of relative acoustic gas thermometry, developed at the FSUE “VNIIFTRI”, is described. The installation, which is designed to reproduce and transmit the units of temperature in accordance with the new definition of kelvin in the temperature range from 79 to 273.16 K, became the part of the State primary standard for the unit of temperature — kelvin in the range from 0.3 to 273.16 K.

Key words: installation, reproduction and transmission of the temperature unit.

Full texts of articles are available only in Russian in printed issues of the magazine.