ISO 3966:2008 Measurement of fluid flow in closed conduits - Velocity area method using Pitot static tubes
ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements
ISO 5801:2007 Industrial fans - Performance testing using standardized airways
ISO 7194:2008 Measurement of fluid flow in closed conduits - Velocity-area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes
ISO/IEC Guide 98-3 Uncertainty of measurement - Guide to the expression of uncertainty in measurement (GUM:1995). Extension to any number of output quantities
ISO/TR 12767:2007 Measurement of fluid flow by means of pressure differential devices - Guidelines on the effect of departure from the specifications and operating conditions given in ISO 5167
ISO/TR 15377:2007 Measurement of fluid flow by means of pressure-differential devices - Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of ISO 5167