Comparison of measuring instruments

3. Forced means of comparing states

• • a) reference measuring instruments of state metrological services and business entities;
• • b) measuring instruments manufactured as reference measuring instruments in accordance with their direct purpose or under the terms of a manufacturing order;
• • c) measuring instruments containing ionizing radiation and a source of ionizing radiation;
• • g) measuring instruments issued by economic entities that repair instruments, intended for transfer to other economic entities after repair;
• • d) measuring devices related to the registration of national and international records;
• • e) measuring instruments used by state arbitration courts for examination, as well as for customs checks;
• k) measurement results used as working measuring instruments for measurements:

• Metrological certification is carried out in order to determine the admissibility of using a measuring instrument produced in single copies or imported into Uzbekistan in a single copy, and in the case of test instruments, their normal technical characteristics are regulated. requirements of regulatory documents in the field of construction;

• • Metrological certification is carried out in order to determine the admissibility of using a measuring instrument produced in single copies or imported into Uzbekistan in a single copy, and in the case of test instruments, their normal technical characteristics are regulated. requirements of regulatory documents in the field of construction;
• • Calibration allows, under certain conditions, to determine the metrological classification of measuring instruments by determining the relationship between the value of the quantity obtained using the measuring instrument and the value of the corresponding quantity restored by the standard;
• • Compliance of measuring instruments with the established metrological requirements is checked and confirmed during comparisons.