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An air flow meter is a device similar to an anemometer that measures air flow, i.e. how much air is flowing through a tube. It does not measure the volume of the air passing through the tube, it measures the mass of air flowing through the device per unit time, though Thus air flow meters are simply an application of mass flow meters for the medium of air. Typically, mass air flow measurements are expressed in the units of kilograms per second (kg/s) or feet per minute (fpm), which can be converted to volume measurements of cubic metres per second (cumecs)[1] or cubic feet per minute (cfm).[2]
- ^ Rowlett, Russ. "How Many? A Dictionary of Units of Measurement". University of North Carolina at Chapel Hill. Archived from the original on 2 June 2018.
- ^ MEP Academy Instructor (September 25, 2022). "Calculating CFM or Velocity Across a Coil or in Ductwork". MEPAcademy. Retrieved January 27, 2024.