REPORT OF ASME RESEARCH COMMITTEE ON FLUIDS METERS. Part 1: Theory and mode of operation * Classification of Fluids Meters * Units, reference conditions and letter symbols * Special terms * Differential pressure meters: Theory of fluid flow in terms of differential pressures, and equations for differential pressure meters * Area meters * Fluid velocity measuring instruments and meters * Head-area meters * Other meters and methods of determining rates of flow Part 2: Application of Fluid Meters-especially differential pressure type * Conversion factors, constants and data on fluids and materials * General requirements for Fluid Metering: installation * Primary elements and equations for computing rates