AS ISO 5167.1:2023 PDF
AS ISO 5167.1:2023 identically adopts ISO 5167 1:2022, which defines terms and symbols and establishes the general principles for methods of measurement and computation of the flow rate of fluid flowing in a conduit by means of pressure differential devices when they are inserted into a circular cross-section conduit running full. Also specifies the general requirements for methods of measurement, installation and determination of the uncertainty of the measurement of flow rate