Comparison of Duplicate Standards with the National Primary Standard for the Unit of Mass in 2014–2015

Аннотация

Results of comparisons of the national prototype kilogram No. 12 in 2013–2014 with the international kilogram prototype are discussed. Comparisons of secondary duplicate standards with the National Primary Standard for the unit of mass GET 3-2008 in 2015 by the method of combined measurements are reported. Work on improving the national primary standard for the unit of mass in light of the transition to a new definition of the kilogram is analyzed.