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Types of IR Technologies

Natural Gas IR Heaters
Gas IR heaters operate when gas and air mix and are combusted. The flame (or mixture) heats the material that eventually emits the IR radiation. Technologies primarily differ in the type of emitters employed.

Comparison
Catalytic IR Heaters
Ported Tile IR Heaters
Reverberatory Screen Heaters
Gas Impingement Heaters
Metal Fiber Mat Heaters
Ceramic Fiber Mat Heaters
Radiant Tubes

Electric IR Heaters
Electric IR heaters generate radiation when they pass a current through an electrical resistance element (filament) which heats the material surrounding it and then radiates energy to the workload. Electric heaters are typically classified by the range of IR wavelengths they emit: short, medium, and long.

Comparison
Electric IR Short Wavelength: T3 Lamps
Electric IR Medium Wavelength: NiCr Winding in Quartz Tube
Electric IR Long Wavelength: NiCr Winding in Metal Sheath

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