Transcription of CONVERSION CHART - HVAC Airflow Meters, …
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CONVERSION CHART - HVAC Airflow Meters, …
Calculating Air Volume. The station air volume, expressed cubic feet per minute (CFM), is the product of the air velocity through the airflowstation and the station area in square feet (Ft2).Station Air Volume (CFM) = Air Velocity (FPM) x Station Area (Ft2) CONVERSION CHARTVELOCITY PRESSURE in inches of water to VELOCITY in feet per minuteCalculating Air Velocity. Fechheimer Pitot Airflow stations and traverse probes measure in the same manner and magnitude as the Pitot tube,via separate signals of airstream total pressure and static pressure, in inches water column (IN ). To obtain velocity pressure (the forcegenerated by the velocity of the air moving in a duct), the static pressure must be subtracted from the total pressure:Velocity Pressure (IN ) = Total Pressure (IN ) Static Pressure (IN )Air velocity, expressed in feet per minute, is a function of velocity pressure, converted by means of the following formula:Air Velocity (FPM) = xVelocity Pressure (IN )Density of (Gas)In commercial applica
Calculating Air Volume. The station air volume, expressed cubic feet per minute (CFM), is the product of the air velocity through the airflow
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