Din 52612

Technical Data Dimensions of specimens: Thermal conductivity of homogeneous plates as well as the equivalent thermal conductivity and the thermal resistance of inhomogeneous specimens can be determined by means of these measurement devices, if the specimens are plain and flat and consist of. The test must be carried out under at least three different mean temperatures, differing in at least 8 K each. With regard to building components with cavities, whose position within a building vertical or horizontal influence the convection in the interior of a building component and thus the thermal resistance, this influence can be determined by turning the guarded hot plate apparatus in the integral state.

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Before testing, the specimens are dried to mass constancy or air-conditioned under defined moisture content. The heat flow through the specimens is constant under a static state of temperature. dln

The test must be carried out under at least three different mean temperatures, differing in at least 8 K each. Technical Data Dimensions of specimens: Test facilities The standard measurement devices according to the one- or two-hot plate method have a surface area of mm x mm.

The thermal conductivity is determined by the heat flow, the mean temperature difference between the surfaces and the dimensions of the specimens. Determination of thermal conductivity and thermal resistance of primarily homgeneous building materials and building components by means of the guarded hot plate method Measurement of the thermal conductivity and thermal resistance of predominantly homogenous building materials and building components using a guarded hot plate apparatus.

Insulating Materials - Fraunhofer IBP

Special measurement devices for thin specimens are also available, for example floor coverings or slabs of bricks, according to the dn or two-hot plate method with a surface area of mm x mm.

Measurement of the thermal conductivity and thermal resistance of predominantly homogenous building materials and building components using a guarded hot plate apparatus. Due to the application of state-of-the-art measurement and control facilities, the results have a very high level of accuracy, confirmed by national and international comparison.

Test performance The specimens are placed between a heating surface and a plate cooler.

The specimens are placed between a heating surface and a plate cooler. The standard measurement devices according to the one- or two-hot plate method have a surface area of mm x mm. Thermal conductivity of homogeneous plates as well as the equivalent thermal conductivity and the thermal resistance of inhomogeneous specimens can be determined by means of these measurement devices, if the specimens are plain and flat and consist of.

With regard to building components with cavities, whose position within a building vertical or horizontal influence the convection in the interior of a building component and thus the thermal resistance, this influence can be determined by turning the guarded hot plate apparatus in the integral state. Thermal conductivity of homogeneous plates as well as the equivalent thermal conductivity 552612 the thermal resistance of ddin specimens can be determined by means of these measurement devices, if the specimens are plain and flat and consist of - homogeneous materials - almost homogeneous materials, i.

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