The Classification of Measuring Instruments to Legally Regulated and Government Regulation, Which Applied to Them According to the Law of Ukraine «On Metrology and Metrological Activity»

Abstract

Taking into account large number of questions coming from the metrological services of enterprises and organizations is considered the classification of measuring instruments to legally regu­lated measuring instruments, government regulation, which applied to them in order to assurance the uniformity of measurement and traceability, according to the Law of Ukraine «On met­rology and metrological activity», and requirements relating to conformity assessment, verification and calibration of measuring instruments.
 Having analyzed the measurement requirements and measurement results established by the provisions of the law, it is proposed to divide measuring instruments used in the field of legal metrology into the groups.
 For the above mentioned groups of measuring instruments, which are used in the field of legal metrology, a scheme has develo­ped, that illustrates the processes of government regulation, namely: government regulation of measuring instruments during placing on the market and putting into use and government regulation of measuring instruments during using. 
 The scheme shows that the placing on the market and putting into use of legally regulated measuring instruments is possible if their conformity assessment is carried out. During using legally regulated mea­suring instruments are subject to periodic and post-repair verification.
 Calibration under the law is a voluntary procedure. However, measurement results cannot be applied in the field of legal metrology if errors of the measurement results or the uncertainty of the mea­surement results are unknown. Uncertainty of the measurement results is established only during the measuring instruments calibration.