Multifunctional Rapid Thermal Conductivity Tester
Multifunctional Rapid Thermal Conductivity Tester is a multifunctional thermal property testing system based on the Transient Plane Source (TPS) method, also known as the Hot Disk technique. The instrument directly measures heat transfer behavior using a flat disk-shaped sensor, enabling fast and accurate determination of thermal conductivity and related thermal parameters. Compared with traditional steady-state methods, this technique effectively eliminates the influence of contact thermal resistance and requires minimal sample preparation. With wide applicability, short testing time, and reliable mathematical models for different material types, the system has become a widely adopted solution for thermal characterization of solids, powders, liquids, pastes, thin films, insulation materials, and anisotropic materials.
Application
The Multifunctional Rapid Thermal Conductivity Tester is suitable for thermal property evaluation across a wide range of materials and industrial or research applications, including but not limited to:
Metals and alloys (bulk samples, high thermal conductivity materials)
Graphite and thermally conductive fillers
Thermal interface materials such as thermal grease, silicone gel, and silicone rubber
Ceramics and inorganic materials
Geotechnical materials including soil, rock, and geological samplesPolymers and composite materials
Paper, textiles, foams, and concrete
Insulation and thermal barrier materials
Thin materials and films (thickness 0.01–1 mm)
Anisotropic materials with directional thermal properties
The system can measure thermal conductivity, thermal diffusivity, specific heat capacity, volumetric heat capacity, thermal effusivity, and thermal resistance for solid, powder, liquid, paste, coating, and layered materials.
Standards
The instrument is designed and operated in accordance with the following international and national standards:
ISO 22007-2:2008 / ISO 22007-2:2015：Plastics — Determination of thermal conductivity and thermal diffusivity — Part 2: Transient plane heat source (hot disc) method
GB/T 32064-2015：Determination of thermal conductivity and thermal diffusivity — Transient plane heat source (TPS) method
Parameters
| Item | Specification |
|---|---|
| Thermal conductivity range | 0.001 – 500 W/(m·K) |
| Thermal conductivity resolution | 0.0001 W/(m·K) |
| Thermal diffusivity range | 0.1 – 100 m²/s |
| Thermal effusivity range | 0.1 – 30 W/(m²·K) |
| Specific heat capacity range | 0.1 – 5 kJ/(kg·°C) |
| Thermal resistance range | 0.5 – 0.000005 mm²·K/W |
| Temperature measurement accuracy | ≤ 0.001 °C |
| Relative measurement error | ≤ 3% |
| Repeatability error | ≤ 3% |
| Test time | 1 – 120 s |
| Sample environment temperature | Standard: room temperature |
| Optional temperature range | –40 to 150 °C / –40 to 250 °C |
| Power supply | AC 220 V ±10%, 50/60 Hz |
| Total system power | < 500 W |
| Standard probe | Φ15 mm, –40 to 150 °C |
Features
Direct measurement of heat transfer behavior, significantly reducing testing time
Minimal influence from contact thermal resistance compared with steady-state methods
No special sample preparation required for solid materials with relatively flat surfaces
Wide measurement range suitable for both high and low thermal conductivity materials
Flexible testing schemes and mathematical models for different material types
Effective suppression of natural convection effects during measurement
Fast testing speed with stable and repeatable results
Fully automatic testing software for data analysis and report generation
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