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Information × Registration Number 0205U004521, 0103U007002 , R & D reports Title Improvement of state primary standard of mass unit 1 kg popup.stage_title Head Svitlov Sergey Michaylovich, Registration Date 07-04-2005 Organization National scientific centre "Institute of Metrology" popup.description2 The state primary standard of mass unit 1 kg was improved. Mass unit dissemination range extended to 1 mg. Standard deviation of dissemination of unit was reduced by 1,5 - 2 times. New sets of reference weights and comparators put in configuration of primary standard. Their metrology certification is implemented. Suggestions for revision of the state verification scheme for mass measuring instruments are presented. Product Description popup.authors popup.nrat_date 2020-04-02 Close