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Engineering Tools

• Conversions
• Common Wiring Circuits
• Material Properties
• Charts and Graphs
• Quick Estimates

Conversions

• Temperature Conversion Chart
• Unit Conversions Chart

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Common Wiring Circuits

• Common Wiring Circuits

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Material Properties

• Specific Heats Solids
  Specifics heats for many common materials in solid state. Also includes volume weights, heat of fusion, and melting point temperature.
• Specific Heats Liquids
  Specifics heats for many common materials in liquid state. Also includes volume weights, heat of vaporization, and boiling point temperature.
• Specific Heats Gases and Vapors
  Specifics heats for many common materials in gas or vapor state. Also includes volume weights.
• Material Emissivities.
  Emissivity for common metals with values for polished, medium oxide, and heavy oxide finishes.

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Charts and Graphs

• Strip Heater Watt Densities @ 700 F Surface Temperatures
  Watt densities on a Strip Heater that will produce 700 F on the heater surface at various air temperatures and air flow velocities.
• Finned Strip Heater Watt Densities @ 600 - 700 F Surface Temperatures
  Watt densities on a Finned Strip Heater that will produce 600 to 700 F on the heater surface at various air temperatures and air flow velocities.
• Finned Strip Heater Watt Densities @ 800 - 900 F Surface Temperatures
  Watt densities on a Finned Strip Heater that will produce 800 to 900 F on the heater surface at various air temperatures and air flow velocities.
• Finned Tubular Heater Watt Densities @ 800 - 900 F Surface Temperatures
  Watt densities on a Finned Tubular Heater that will produce 800 to 900 F on the heater surface at various air temperatures and air flow velocities.
• Tubular Heater Wattage Densities Versus Surface Temperatures
  Resulting heater surface temperatures at various watt densities and air flows.
• Maximum Watt Densities in Air
  Maximum watt densities for various heater types and sheath materials within natural convection air heating applications.
• Maximum Watt Densities Based on Sheath Material and Heater Type
  Maximum watt densities for various heater sheath materials based on heater construction (not limited by application).
• Maximum Watt Densities Based on Application
  Maximum allowable heater watt density for a select list of common materials being heated.
• Heat Losses From Uninsulated Metal Surfaces
  Watts per square foot of heat loss through uninsulated steel and copper surfaces.
• Heat Losses From Insulated Surface
  Watts per square foot of heat loss through insulated surfaces.
• Wind Velocity Heat Loss Correction Factors
  Multiplier for adjusting heat loss based on wind velocity effect.

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Quick Estimates

• Wattage Required To Heat Air Flows
  Wattage required to heat air at various CFM flows and temperature rises
• Wattage Required To Heat Water In An Insulated Tank
  Wattage required to heat water in a tank based on known gallons or cubic feet with a target temperature increase in degrees F.
• Wattage Required To Heat Flowing Water
  Wattage required to heat flowing water based on known gallons per minute flow rate or cubic feet per minute with a target temperature increase in degrees F.
• Wattage Required To Heat Oil In An Insulated Tank
  Wattage required to heat oil in a tank based on known gallons or cubic feet with a target temperature increase in degrees F.
• Wattage Required To Heat Flowing Oil
  Wattage required to heat flowing oil based on known gallons per minute flow rate or cubic feet per minute with a target temperature increase in degrees F.
• Wattage Required To Heat A Room
  Wattage required to heat a room based on known cubic feet (Length x Width x Height of room). Four heating curves are provided based on thermal conditions such as insulation and related construction.
• Wattage Output At Operating Voltages Other Than Rated
  Charts compare output wattage when units are operated at input voltages other than actual rating
• Amperage For Wattage and Voltage Combinations
  Resulting amperage values for several wattage and voltage combinations including single phase and 3 phase circuits
• Surface Area (FT2) for Cylindrical Tanks
  Surface area of tanks ranging in diameters from 2 feet to 50 feet and wall tank height from 1/2 foot to 50 feet

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Qualifications

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• UL
• CSA

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