DRH-300 Guarded Hot Plate Analyzer
DRH-300 is a dual guarded hot plate thermal-conductivity tester for plate-shaped plastics, fibers, foams, insulation, and refractories. With an optional specimen frame, it can also test powder and paste materials under computer control.
- Model
- DRH-300
- Category
- Thermal Conductivity & Diffusivity
Product Description
The DRH-300 is designed in accordance with GB/T 10294-2008 and ISO 8302:1991 for steady-state thermal resistance and related properties of insulation materials by the guarded hot plate method. Measurement and control are computer controlled, with automatic verification.
The system provides eight-point specimen-thickness measurement and adjustable, constant specimen pressure. It is intended for plate-shaped specimens; a specimen frame can be added for powders and pastes.
Technical Specifications
| Parameter | Specification |
|---|---|
| Referenced standards | GB/T 10294-2008; ISO 8302:1991 |
| Thermal conductivity ranges | 0.01–1 W/(m·K); 0.1–5 W/(m·K) |
| Specimen size | Two specimens, 300 × 300 × (10–50) mm |
| Hot-side temperature range | Room temperature–99.99 °C; resolution 0.01 °C |
| Cold-side temperature range | 0–60 °C; resolution 0.01 °C; optional −5 °C to 60 °C |
| Calorimetric power supply | 36 V; voltage resolution 0.1 mV; 3 A; current resolution 0.1 mA |
| Operating ambient conditions | 10–35 °C; relative humidity ≤80% RH |
| Control and output | Computer-controlled automatic measurement and verification |
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