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Thermal Diffusivity / Thermal Conductivity
To determine Thermal conductivity, thermal diffu­sivity and specific heat, there are different options, depending on temperature range, type of material and accuracy of the analysis. The most common way to measure thermal diffusifity will be the well known Xenon- or Laser flash method (XFA/LFA). Here a sample is pulsed with a Laser and an IR detector on the opposite site detects the temperature rise of the sample, what leads to the thermal diffusifity. If the density and specific heat capacity are known, the thermal conductivity can be calculated.

The Transient Hot Bridge method (THB) is made for solids, liquids and pastes and gives the thermal con­ductivity as direct result of the measurement with high accuracy within a few minutes. It is suitable for isolating materials as well as conducters like metals.
The heat flow meter (HFM) is a special instrument for quality control in factories. It needs bigger sam­ple sizes but can measure the thermal conductivi­ty with highest accuracy, using an exact controlled temperature gradient.
For thin film samples and micro samples, known from the computational industries, there are also the new thin film laser flash (TF-LFA) and thin film analyzer (TFA), that can measure the desired thermal conductivity and diffusivity with highest precision as well.

Download :  LINSEIS LZT-Meter
 
Download :  Linseis XFA 300 - XenonFlash Brochure
Download :  Linseis XFA 600 - XenonFlash Brochure
 

Download :  Linseis LFA 1000 - LaserFlash
Download :  Linseis LaserFlash for thin films - TF-LFA
 
Download :  Linseis Transient Hot Bridge THB 1
Download :  Linseis Transient Hot Bridge THB 100
Download :  Linseis Transient Hot Bridge THB 500
Download :  Linseis Transient Hot Bridge THB 1000/THB 1000 HS
 
Download :  Heat Flow Meter HFM 300/600