Technical Information

Air Heater Power and Flow Graphs

Power Required To Heat Air

Power Required To Heat Air GraphPower Required To Heat Air Graph

An approximation of air heating power requirements can be calculated with the following formula:

Power Required To Heat Air Formula

Add 20% for Safety Margin

Flow Meter Correction Curve

Flow Meter Correction Curve Flow Meter Correction Curve

All Performance Curves for CONVECTRONICS Air Heaters refer to “Actual” Air Flow Rates (SCFM). The pressure at the Flow Meter outlet should be measured and the “Observed” Flow should be adjusted per correction curves to obtain “Actual” Flow. The Actual Flow can also be calculated by using the following formula:An approximation of air heating power requirements can be calculated with the following formula:

Flow Meter Equation

Q1 = Observed Flow
Q2 = Actual Flow Corrected for Pressure
P1 = Atmospheric Pressure, 14.7 PSI
P2 = Actual Pressure, 14.7 PSI + Pressure at Flow Meter Outlet

  • Calculator
  • Standard Flow Rate (SCFM) Calculator

    Calculate the SCFM.

    Power Flowrate Calculator

    Calculate the electrical power, flow rate or temperature requirement.

    Temperature Conversion

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    Ohms Law Calculator

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    Pressure Conversion

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    Three Phase Unit Calculator

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    Single Phase Unit Calculator

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    Parallel Resistance Calculator

    Calculate the total resistance in ohms of resistors that are in parallel by entering the value of each below.

    Series Resistance Calculator

    Calculate the resistance in ohms of resistors connected in series by entering the value of each.

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