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Guarded Hot Plate 500
The hot plate and the guard ring are sandwiched between two samples of the same material and approximately the same thickness, d. Cold plates are placed above and below the samples. All plate temperatures are controlled such that a well‐ defined, user‐selectable temperature difference, ΔT, is established between the hot and the cold plates – and thus across the sample thickness. The guard ring is maintained exactly at hot plate temperature in order to minimize lateral heat losses.
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| Measuring range | 0.005 to 2.0 W/(m·K), depending on material and thickness |
| Specimen size (L x W) | 500 mm x 500 mm, variable, according to the dimension of the hot plate: 200 mm x 200 mm up to 300 mm x 300 mm |
| Specimen thickness (H) | - 1x 15 mm to 200 mm (1-specimen measurement method) - 2x 15 mm to 100 mm (2-specimen measurement method) |
| Temperature range | - Cooling plate: -15°C to 60°C - Heating plate: -5°C to 70°C |