The conformity assessment of measuring instruments based on harmonized specifications (EN standards and OIML recommendation) and other documents

This paper presents various options of conformity assessment of gas meters with MID directive requirements using European standards, OIML recommendations and other documents. The article shows the differences in approach of European standards and OIML recommendations in the scope of conditions for the type of examination as well as the advantages and disadvantages of each approach. A risk assessment is done.