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TA Instruments Thermal Conductivity and Thermal Diffusivity
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TA Instruments Thermal Conductivity and Thermal Diffusivity - 1

THERMAL CONDUCTIVITY AND THERMAL DIFFUSIVITY

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 2

Discovery Light Flash Analyzers The light flash technique provides information on a material’s ability to store and transfer heat through measurements of thermal diffusivity, thermal conductivity, and specific heat capacity. Thorough understanding of these properties is critical for any process or material which experiences a large or fast temperature gradient, or for which the tolerance for temperature change is exacting. Accurate values of these properties are essential for modeling and managing heat, whether the component of interest is called on to insulate, conduct, or simply withstand...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 3

FLASH METHOD and THERMAL DIFFUSIVITY Understanding Flash Pulse Sources: Laser vs. Xenon Only TA Discovery Flash instruments are available with choice of proprietary high-energy Laser or Xenon pulse sources.The selection of the best source for an application depends on a number of variables including sample dimensions (l,w,t), thermal conductivity, and temperature range. TA Instruments offers the widest choice of instruments with laser and Xenon sources to ensure the right solution for any application. The fundamental measurement of the Flash Method is Thermal Diffusivity, the thermophysical...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 4

DISCOVERY LASER FLASH DLF 1600 and DLF 2800 The Discovery Laser Flash DLF 1600 and DLF 2800 are advanced freestanding platforms for the measurement of thermal diffusivity and specific heat capacity of materials at high temperature. The distinctive design incorporates a proprietary laser, laser optics, detector, and furnace technologies, and unique multi-position sample carousel, which together ensure unprecedented measurement accuracy The Most POWERFUL System for ACCURATE and PRECISE THERMAL DIFFUSIVITY and sample throughput. With the ability to operate in a variety of atmospheric...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 5

DLF 1600 and DLF 2800 TECHNOLOGY Proprietary laser delivery fiber optic wand High Power Laser and Advanced Optics High performance furnace Both DLF 1600 and DLF 2800 feature the industry’s most powerful and robust laser light source and most efficient delivery system. The proprietary Class 1 Neodymium-Phosphate Glass laser and fiber optic power wand system, with built-in alignment, ensure effective generation and delivery of laser energy to the sample. Proprietary pyrometer • Proprietary Laser Designed and Manufactured by TA Instruments Six-position graphite carousel Unlike competitive...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 6

Furnaces The floor-standing high-temperature flash systems can be configured with either an Laser Pulse alumina furnace with a maximum temperature of 1600 °C, or a graphite furnace with Flexible High Productivity Sample Carousel a maximum temperature of 2800 °C. The intelligent design of these high temperature systems sets them apart from competitive light flash analysis instruments in every aspect Alumina muffle tube • Five Times Higher Productivity of temperature performance. Both furnaces employ high quality heating elements, a Of the high-temperature Flash Method instruments on the...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 7

DLF 1600 and DLF 2800 PERFORMANCE DATA Accuracy of Thermal Diffusivity Measurement on Thermographite Thermogram of 9.9 mm Thick Thermographite at 1600 °C on DLF 1600 Accuracy, which defines how close a set of measured data are to the true value, is paramount in understanding how well an instrument performs under known conditions. Measurement Reference Data ±3% Accuracy Spec. Designed for the Most Accurate Diffusivity Measurments Even Under the Most Exteme Conditions The ability of any instrument to make an accurate measurement relies on all design elements working together efficiently as a...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 8

DISCOVERY LASER FLASH DLF 1200 The Discovery Laser Flash DLF 1200 is a compact benchtop instrument for measurement of thermal diffusivity, thermal conductivity, and specific heat capacity of materials from room temperature to 1200˚C. It features a proprietary laser source with 17 Joules of energy for testing the widest range of samples under the most demanding conditions. Productivity POWERFUL LASER FLASH Performance in a compact AFFORDABLE BENCHTOP DESIGN is no problem with the four-sample tray design. It is the only benchtop light flash instrument available with a laser pulse source for...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 9

HIGH ENERGY laser source in a BENCHTOP DESIGN Patented multiple samples linear holder Autosampler 1200˚C Furnace High Energy Laser Source in a Benchtop Design The DLF 1200 pulse source is a Class I Neodymium:Glass (Nd:glass) laser with 17 Joules of energy. It delivers an inherently collimated, monochromatic pulse to the sample surface. Designed and manufactured by TA Instruments, the safe, compact, and factory-aligned Collimated, high energy laser beam design requires no special maintenance. 65% More Energy than Xenon Flash Instrument Designs More light pulse energy delivered to the surface...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 10

DLF 1200 TECHNOLOGY 1200˚C Furnace Reliable Temperature Control and Uniformity to 1200˚C Reliable Automation The DLF 1200 features a rugged and reliable resistance-heated furnace with superior temperature precision and uniformity. The ability of the furnace to precisely control temperature to the The DLF 1200 comes standard with a patented* linear autosampler, which greatly improves improving lab productivity. The autosampler can be configured with various sample trays that target value, especially at high temperatures, ensures the small 1-2 deg temperature rise due to the energy pulse is...

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TA Instruments Thermal Conductivity and Thermal Diffusivity - 11

DLF 1200 PERFORMANCE DATA Four Stainless Steel Samples Tested with Autosampler The Benefits of a Powerful Laser for Data Accuracy assessed by repeatedly testing the same sample under the same conditions and accurate measurement relies on all design components working together efficiently as a the furnace. A laser light source provides a system advantage because of the power of the light pulse. As the thickness of a sample increases, laser power is important as more energy is required to transfer through the sample and detect a temperature rise on the opposite side. To demonstrate the...

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