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Multi-Function Thermal Constants Analyzer

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Web: qinsun-lab.com

Email:serving@qinsun-lab。com

The Multi-Function Thermal Constants Analyzer is used for quantitative thermal property evaluation in various material forms and industries, including:

Polymers, composites, and construction materials

Liquids, phase-change materials, and coolants

Pastes, powders, and bulk solids

Soil, polymers, and anisotropic materials

Typical test samples include solid plates, bulk materials, liquids in containers, pastes, powders, and soil samples, depending on the selected measurement method.

Standards

The analyzer supports multiple internationally recognized test methods and standards, including:

(1) ISO 22007-2: Plastics — Determination of thermal conductivity and thermal diffusivity — Transient plane heat source method

(2) ISO 22007-7: Plastics — Determination of thermal conductivity and thermal diffusivity using transient plane heat source

(3) GB/T 32064: Transient plane heat source method for thermal conductivity and thermal diffusivity of building materials

(4) ASTM E3088: Standard test method for determination of thermal conductivity and thermal diffusivity using the transient plane source method

(5) ASTM D7896: Transient hot-wire method for thermal conductivity, thermal diffusivity, and volumetric heat capacity of liquids

(6) ASTM D5334: Transient line-source probe method

(7) ASTM D5930: Determination of thermal conductivity of plastics by transient line-source technique

(8) IEEE 442: Soil thermal resistivity measurement

Parameters

MethodTPSTHWMTPSTHSTLS
Applicable Materials Solids, pastes, powders Liquids, phase-change materials Solids, pastes, powders Solid rectangular samples Soil, pastes, polymers
Measurement Mode 3D bulk, anisotropic, plate, thin film, 1D Bulk 3D bulk, anisotropic, plate, 1D Bulk, anisotropic Bulk
Thermal Conductivity (W/m·K) 0.005–2000 0.01–2 0.03–500 0.01–2
Thermal Diffusivity (mm²/s) 0.01–1200 Up to 0.5 0.01–300 Up to 0.5
Volumetric Heat Capacity (MJ/m³·K) Up to 5 Up to 5 Up to 5 Up to 5
Thermal Effusivity (W·s½/m²·K) 5–60000 Not applicable 20–40000 Not applicable
Contact Thermal Resistance (m²·K/W) Measured Not applicable Measured Not applicable Not applicable
Sample Thickness (mm)* ≥0.01 ≥0.1
Test Time (s) 0.25–2560 1 0.25–2560 0.25–2560 180
Accuracy (Thermal Conductivity) 3% 2% 5% 5% 5%
Repeatability (Thermal Conductivity) 1% 1% 2% 2% 2%
Temperature Range (°C)** 0 to 300 / up to 750 or 1000 10 to 200 0 to 100 / −50 to 200 −75 to 300 −40 to 100
Sample Configuration Symmetric / asymmetric Insert type Asymmetric (single-sided) Symmetric / asymmetric Insert type

Features

Supports multiple transient methods within one integrated system

Measures absolute thermal conductivity, thermal diffusivity, specific heat, and thermal effusivity

Suitable for solids, liquids, pastes, powders, and soil samples

Wide thermal conductivity and temperature measurement ranges

Direct measurement of sensor–sample contact thermal resistance for improved accuracy


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