Thermal conductivity of building materials Investigation of the insulation properties of typical materials from the building materials sector Features - heat conduction in non-metallic building materials - material thicknesses or combinations up to a thickness of 50mm can be used Learning objectives/experiments - determine the thermal conductivity λ of different materials - determine the thermal resistance - thermal conductivity λ for several samples connected in series (up to a thickness of 50mm) Specification [1] determine the thermal conductivity λ in building materials [2] thermal conductivity λ and thermal resistance measurement according to DIN 52612 [3] reproducible contact pressure via clamping device [4] 8 samples to be inserted between hot and cold plate [5] hot plate with heating mat [6] cold plate with water cooling [7] software controller for temperature adjustment of cold and hot plate [8] 3 temperature sensors for cooling water: at the inlet, outlet and centre of the plate [9] 2 temperature sensors for the surface temperature of the hot and cold plate [10] sensor for heat flux density [11] GUNT software for data acquisition via USB under Windows 10 Technical data Electric heating mat - output: 500W - max. temperature: 80°C Samples - LxW: 300x300mm - thickness: up to max. 50mm - material: Armaflex, chipboard, PMMA, styrofoam, PS, POM, cork, plaster Measuring ranges - temperature: 3x 0...100°C, 2x 0...200°C - heat flux density: 0...1533W/m2 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 710x440x550mm LxWxH: 710x440x200mm (control unit) Total weight: approx. 90kg