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Stable state thermal conductivity meter HFM-100
Stable state thermal conductivity meter HFM-100
Product details
HFM-100 belongs to the heat flow design, with heat flow sensors on both planes. There are two flat plates with different temperatures on top and bottom of the design, generating a fixed temperature difference (Δ T). The heat flow value (Q/A) generated by the stable temperature difference (Δ T) is monitored by the heat flow sensor. Using this stable heat flow, the thermal conductivity (λ) and thermal resistance (R) are calculated according to Fourier's Law
| Thermal insulation material, solid, textile | |
| Types of sensors | Heat flow sensor (x 2) |
|---|---|
| application | General solid materials |
| Test direction | Z-axis (thickness direction) |
| Thermal conduction range | 0.005 to 0.5 W/mK (0.035 to 3.5 BTU/(hr·ft·°F)) |
| Time | 30 to 60 min |
| repeatability | Generally better than 1% |
| accuracy | Generally better than 3% |
| Flat temperature range | -20 to 70°C (-4 to 158˚F) |
| *Large sample | 300 x 300 x 100 mm (12 x 12 x 4 in) |
| standard method | ASTM C518, ISO 8301, EN 12667 |
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