Accreditation certificate 1О251 dated July 11, 2023, valid until November 13, 2024, of the "Metrology" certification and conformity assessment body of the NATIONAL SCIENTIFIC CENTER "INSTITUTE OF METROLOGY" in accordance with the requirements of DSTU EN ISO/IEC 17065:2019 (EN ISO/IEC 17065 :2012, IDT; ISO/IEC 17065:2012, IDT) and additional standards of DSTU EN ISO/IEC 17021-1:2017 (EN ISO/IEC 17021-1:2015, IDT; ISO/IEC 17021-1:2015, IDT ) (clauses 7.1.1, 7.1.2, 7.2.4, 7.2.5, 7.2.8, 7.2.10, 9.1-9.4, 9.6) and DSTU EN ISO/IEC 17020:2019 (EN ISO/IEC 17020:2012, IDT; ISO/IEC 17020:2012, IDT) (clauses 6.1.2; 6.1.3; 6.1.6 - 6.1.10).