DRH300 Heat Flow Meter (HFM)
DRH300 is a heat flow meter (HFM) for determining thermal conductivity and thermal resistance of insulation boards and other solid materials, using one heat-flow sensor on each plate. It covers 0.005–2.0 W/(m·K) thermal conductivity and 0.1–8.0 m²·K/W thermal resistance, with computer-controlled testing and reference to ASTM C518, ISO 8301, and GB/T 10295.
- Model
- DRH300
- Category
- Thermal Conductivity & Diffusivity
Product Description
The DRH300 uses the heat flow meter method with dual heat-flow sensors, one on each plate. It supports insulation boards, clay, sand, ceramics, and plastics, with automated temperature control, data acquisition, processing, report generation, printing, and storage.
The specified specimen size is 300 × 300 mm, with thickness of 10–50 mm. The hot plate is rated to 100 °C, and the cold plate reaches a minimum of −30.0 °C. Hot-surface temperature control covers ambient temperature to 99.99 °C with more than 10 programmable points; cooling options are forced-air cooling, an external water bath, or thermoelectric cooling.
Automated testing is computer controlled, and an embedded touchscreen computer is optional.
Ordering information: Specify specimen size and thickness, custom test-temperature range, the selected cooling method, and control-computer configuration when requesting a quotation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Referenced standards | ASTM C518; ISO 8301; GB/T 10295 |
| Thermal conductivity range | 0.005–2.0 W/(m·K) |
| Thermal resistance range | 0.1–8.0 m²·K/W |
| Specimen size | 300 × 300 mm; thickness 10–50 mm |
| Maximum hot-plate temperature | 100 °C |
| Minimum cold-plate temperature | −30 °C |
| Hot-surface temperature-control range | Ambient temperature to 99.99 °C |
| Programmable setpoints | More than 10 |
| Temperature display resolution | 0.01 °C |
| Cooling options | Forced-air cooling, external water bath, or thermoelectric cooling; select one |
| Heat-flow sensor arrangement | One heat-flow sensor on each plate |
| Control and output | Configured temperature control, data acquisition, analysis, storage, and report output |
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