Thermal Conductivity Systems

Thermal conductivity (k) is the ability of a material to to transfer heat. Thermal conductivity measuring systems fall into two categories, static and transient. Static or steady state techniques measure thermal conductivity at a given temperature, while transient techniques can measure themral conductivity while the sample is being heated. Laser Flash Analysis or LFA is is a more modern technique used to derive thermal conductivity by measuring a materials' thermal diffusivity.
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Equipment
Guarded Hot Plates are employed in the most demanding R&D and QA applications where faster instruments (such as guarded heat flow meters) do not suffice, or do not possess the broad operating range desired.
The DTC-300 measures thermal conductivity of a variety of materials, including polymers, ceramics, composites, glasses, rubbers, some metals, and other materials of low to medium thermal conductivity.
The FL-5000 is perhaps the most flexible system of its kind. It allows the selection of subsystems and options to assemble a configuration that best suits any application. Many of these elements are interchangeable or selectable as an addition at a later date to grow with changing needs.
Unitherm 1000 is a fully computerized dilatometer system designed to measure dimensional changes of a specimen brought about by changes in its thermal environment. Linear thermal expansion coefficient, annealing characteristics and other physical or chemical changes manifesting themselves in a change of linear dimension can be precisely determined.
The new GHP 456 Titan® is the ideal tool for researchers and scientists in the field of insulation testing. Based on the well-known, standardized guarded hot plate technique (e.g. ISO 8302, ASTM C 177 or DIN EN 12667), the system features unrivalled performance over an unmatched temperature range.
The technology behind the C-Therm TCi™ represents a paradigm shift in thermal conductivity measurement and earned the R&D 100 Award. The C-Therm TCi Thermal Conductivity Analyzer was developed with a consortium of users from industry and can be used on a broad range of materials.
For highest measurement accuracy, the DIL 802/802L provides a truly differential measurement in a horizontal dilatometer. Measuring only the difference between the sample and the inert reference, the design of DIL802/802L negates the influence of measurement system expansion on the sample measurement.
Thermal conductivity and thermal diffusivity are the most important thermophysical material parameters for characterizing the thermal transport properties of a material or component. The Laser Flash technique is currently the most widely accepted method for precise measurement of the thermal diffusivity and the LFA 427 is the number one instrument on the world market. High precision and reproducibility, short measurement times, variable sample holders and defined atmospheres are outstanding features of LFA measurements over the entire application range from -70°C to 2800°C.
Thermal conductivity and thermal diffusivity are the most important thermophysical parameters for characterization of the thermal transport properties of a material or component. The TCT 426 thermal conductivity tester enables the use of all three of the methods described in easily interchangeable, pre-wired measuring frames.
Suitable for the widest range of routine thermal expansion measurements, the DIL 801 and DIL801L are horizontally configured single-sample dilatometers. The DIL 801 is designed for measurements under vacuum or inert gas while the DIL 801L is designed for measurements in air, making the DIL 801L ideally suited to measuring ceramic materials which are often processed in air.
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