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CONVERSION CHART - Air Monitor Corporation

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 ).

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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Transcription of CONVERSION CHART - Air Monitor Corporation

1 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 ).

2 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 applications where air is the gas, its density is at 70 Fahrenheit and inches of mercury (barometric pressure), and theairflow is not compressed (under 10 IN ), the formula reduces to.

3 Air Velocity (FPM) = 4005 xVelocity Pressure (IN ) " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " "

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5 Capable of continuously measuring fan dischargesor ducted airflow with an accuracy of two percent or CERTIFIED in accordance with Standard ,2,3,4 AIRFLOW TRAVERSE , self-averaging, Pitot Fechheimer airflow traverse probes withintegral airflow direction correcting design. Four mounting configurationsto fit every CERTIFIED in accordance with Standard FAN INLET AIRFLOW , self-averaging, Pitot Fechheimer airflow probes with integral airflowdirection correcting design. For mounting directly in the inlet cones or bellmouthof centrifugal or vane-axial fans to measure fan capacities within three percent ofactual AIRFLOW PROBE TRAVERSE , self-averaging, Pitot Fechheimer airflow probes factory mountedin a flanged sheet metal casing, with interconnecting tubing.

6 Capable ofmeasuring ducted airflow within two percent accuracy without using an airstraightener or incurring significant resistance to CERTIFIED in accordance with Standard ,2,3 and STATIC PRESSURE in three separate mounting configurations, the family of staticpressure sensors generate a steady, non-pulsating output of room, space orplenum was designed to accurately sense outside atmospheric air STATIC PRESSURE TRAVERSE , self-averaging, Fechheimer static pressure traverse probe foraccurate sensing of duct or system static pressure in the presence of turbulentor rotational Monitor 's Product Families of Flow Measurement and Pressure Sensors


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