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Best answer

Cubic feet per minute (CFM)

People also ask

  • How do you measure air flow rate?

    • You have measured the air flow, cross-sectional net area and multiplied them together for a flow rate. Modern air measurement instruments like handheld anemometers which offer digital read outs in cubic feet per minute: a self-contained calculator to save time and frustration for HVAC professionals.

  • What is the normal range of airflow rate reading?

    • Starting Threshold: 1.75 mph Reading Rate: 1 reading every second to 1 every 24 hours. – Omega, cited in detail at AIR FLOW CFM DEVICE SUPPLIERS. Above: the Dwyer Instruments FLST airflow rate monitoring device intended for monitoring air flow rates in an HVAC duct system.

  • What is the air flow rate for an HVAC system?

    • The Air flow rate for an HVAC system is defined as the volume of air being delivered at some speed or rate, typically cubic feet per minute (CFM) or m/sec (meters per second), ft/sec (feet per second), or ft/min (feet per minute).

  • Is it possible to measure air flow with anemometer?

    • Measuring air flow with anemometers has been limited in the past by time. The newest microprocessor-based instruments complete duct hvac air flow measurement data collection accurately even before the patience of the HVAC tech wears out. How to measure air velocity in a duct?