Medium Wave Infrared


Medium Wave Infrared

Medium wave infrared emitters or medium wave heating elements, are used in a wide range of industrial processes and offer a truly efficient and economical mode of heating. Infralight's twin tube design, using high purity quartz gives the user the best in  infrared heating technology: Fast, targeted heating, where the wavelength of the emitter is matched to the material being heated. Medium wave emitters are robust in design and will withstand a fair  amount of thermal and mechanical shock. Quartz tube is the most common type of material used for infrared lamps and emitters. An alloy sprial element is housed inside a linear quartz tube, which is open to the air. Most medium wave emitters operate  between 800 and 1200C filament temperature. The peak wavelength is around 2 microns, and as quartz transmits infrared radiation up to 4 microns, the quartz envelope is around 300C cooler than the filament! This means that convective losses from the quartz outer surface are minimal, while the secondary radiation from this source at a temperature of 650C contributes to the total output of the emitter. 

medium wave heating elementg

Twin Tube Design

Approximately 70% of the input power is converted into radiant heat, the emissivity of the unit being that of the wire spiral, aroung 0.8 when in use. Twin tube elements are constructed in a figure 8, which results in high strength design, extra rigidity over long lengths up to 3m. The twin tube design offers a number of advantages including rigidity, robust, but also the ability to manufacture many different configurations. Terminating leads at one end is a clear advantage over other types of heating elements, as all leads are terminated at one end, making installation simple and inexpensive. No requirement to run extra cables. 

  • Twin tube design 18x8, 22x10, 33x15
  • Rigid and very strong
  • Filament temperatures around 900C at 2 microns
  • Gold reflector for maximum efficiency
  • Surface density up to 50kW/m2
  • Horizontal and vertical operation. 
  • Up to 3m in continuous length

 

Heating element design Medium wave Design

Standard Infrared Emitters Twin Tube

Length Lg (mm) Power (W) Voltage Part Number infrared heating element medium wave  infrared heating module
400 500 240 0975 2439
600 1000 240 0975 5167
900 2000 240 0975 5054
1100 2500 240 0975 5255
1420 3250 240 0975 3187
1600 3750 240 0975 4585
1800 4100 415 0975 4863
1920 4500 415 0975 4783
2400 5750 415 0975 6083
2600 6250 415 0975 3874

Custom Design Infrared Emitters

Infralight will design your infrared emitter according to your specifications. Please contact Russell Read to discuss your application. 

Gold Reflector

Standard elements are supplied with gold reflector. Gold is 95% efficient at reflecting infrared light. 

 

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