Twin Tube
ATD twin tube heaters are available in short and medium wavelengths. These unique heaters offer higher radiant energy and excellent mechanical strength allowing for longer heated lengths than available with single tube T3 or T4 lamps.
Twin tubes are available in two cross sections: 33mm x 15mm and 22mm x 11mm. These heaters are available as individual lamps or cassettes. Specifications, major features and benefits are listed below:
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Specifications
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Shortwave
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Medium Wave
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Emitter Temperature
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2400°C (4350°F)
Peak wavelength 1.0 microns. Heaters can be tuned to the product being heated.
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950°C (1750°F)
Peak wavelength 2.3 microns. Heaters can be tuned to the product being heated.
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Maximum Length
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4 meters (157”)
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4 meters (157”)
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Watt Density
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200 watts/inch max
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65 watts/inch max
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Voltage
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120V - 600V
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120V - 600V
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Controls
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Non contact pyrometer
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Non contact pyrometer or thermocouple
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Fast Heat Up And Cool Down
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1 second
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20–30 seconds
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Features
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Benefits
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Heavier Cross Section
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More rugged than T3 and T4 lamps
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Higher Energy Density
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Requires less space, need fewer lamps
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Easy Cleaning
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Suitable for cleanroom applications. Elements are protected from moisture, solvents and contamination.
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Gold Reflector
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Makes heaters unidirectional and wavelength pure
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Ceramic Reflector
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More rugged than gold and almost as efficient
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