Innovative Guarded Hot Plate System GHP 456 Titan®
for Determination of Thermal Conductivity of Insulations

GHP 456 Titan®

 

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Accuracy: SRM 1450 c glass fiber board

Here, a glass-fiber board (NIST-certified) standard reference material 1450c) was measured in the certified temperature range (0 … 60°C). The deviations between the literature values (taken from the NIST certificate) for the reference material and the measurement results are generally less than 1% and easily within the stated uncertainty of the reference material. This clearly reflects the outstanding performance of the GHP 456 Titan®.

Mineral Fiber Insulation

A mineral fiber insulation generally used to insulate kitchen furnaces was measured between room temperature and 500°C. As it is typical for most insulating materials, the results for the thermal conductivity increase in a nearly linear fashion around room temperature. At high temperatures, the thermal conductivity increases more markedly. This can be explained by the increased radiative contribution to the effective thermal conductivity.

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