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WL 376

- Heat conduction in non-metallic materials
- Material thickness or combinations up to a thickness of 50mm can be used


Technical Description

This experimental unit enables experiments to be performed on steady-state heat conduction in non-metallic materials such as polystyrene, PMMA, cork or plaster in accordance with DIN 52612. Specimen sheets are placed between a heater plate and a water-cooled plate. A clamping device ensures that the clamping pressure and thermal contact are reproducible.

A special sensor measures the heat flux. Electronic controllers keep the temperatures of the heater plate and cooling plate constant within close limits.

The measured values are transmitted directly to a PC via USB. The data acquisition software is included.

Learning Objectives / Experiments
- determination of the thermal conductivity k of different materials
- determination of the thermal resistance
- thermal conductivity k of several specimens connected in series (up to a thickness of 50mm)



[1] determination of the thermal conductivity of building materials
[2] thermal conductivity k and thermal resistance measurement in accordance with DIN 52612
[3] reproducible clamping pressure due to clamping device
[4] 8 specimens to be put between hot and cold plate
[5] hot plate with heater mat
[6] cold plate with water cooling and heat flux sensor
[7] software controllers for temperature adjustment of hot and cold plate
[8] 3 temperature sensors for the cooling water: at inlet, at outlet and in the centre of the plate
[9] 2 temperature sensors for surface temperature
[10] GUNT software for data acquisition via USB under Windows Vista or Windows 7

Technical Data

Electric heater mat
- power: 500W
- max. temperature: 200°C, limited to 80°C
- LxW: 300x300mm
- thickness: up to 50mm
- material: Armaflex, grey cardboard, PMMA, polystyrene, PS, POM, cork, plaster

Measuring ranges
- temperature: 3x 0...100°C, 2x 0...200°C
- heat flux density: 0...1533W/m²

Dimensions and Weight
LxWxH: 710x440x550mm (experimental unit)
LxWxH: 710x440x200mm (control unit)
Weight: approx. 90kg (total)
Required for Operation 230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase
Water connection, drain

Scope of Delivery

1 experimental unit
1 control unit
8 specimes
2 hoses
1 GUNT software CD + USB cable
1 manual

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