High Temperature Thermal Conductivity Tester
Application
The tester is suitable for high-temperature thermal conductivity testing in multiple fields:
Refractory and Insulation Materials: Evaluates ceramic fiber, refractory bricks, insulation boards, and high-temperature insulation materials.
Textiles and Composite Materials: Measures thermal properties of heat-resistant fabrics and composite plates.
Building Materials: Assesses the thermal performance of boards, bricks, and other construction materials.
Research & Development: Supports development of new heat-resistant or insulating materials, as well as quality control of existing products.
The apparatus provides accurate, reliable measurements at temperatures ranging from 200°C to 1200°C, supporting both laboratory research and industrial quality control.
Standards
GB/T 17911-2006: Test methods for refractory ceramic fiber products.
YB/T 4130-2005: Water flow plate method for thermal conductivity of refractories.
ASTM C518: Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
IS0 8301:Thermal Insulation — Determination of Steady-State Thermal Resistance and Related Properties — Heat Flow Meter Apparatus
DIN EN 12667:Thermal Performance of Building Materials and Products - Determination of Thermal Resistance by Means of Guarded Hot Plate and Heat Flow Meter Methods - Products of High and Medium Thermal Resistance
Product Advantages
High-Temperature Precision: Operates up to 1200°C with ±1°C accuracy.
Multi-Sample Testing: Simultaneously tests 1–4 specimens.
Automated Control: Fully automatic operation for stable heat flow measurement.
Wide Thermal Range: Covers 0.03–2.00 W/(m·K) for diverse materials.
Uniform Heating: Ensures temperature consistency in the sample chamber.
Product Features
Testing Principle: Based on Fourier’s one-dimensional steady-state heat conduction, measuring heat transfer via water calorimetry.
Key Components:
High-Temperature Furnace: Air-atmosphere heating up to 1200°C.
Calorimeter System: Central and shield flow meters (2.5–25 L/h).
Water Supply Unit: Maintains steady coolant flow (10–100 L/h).
Sample Preparation: Dried at 110°C±5°C or processed per material standards.
Technical Parameters
| Parameter | Specification |
|---|---|
| Operating Mode | Automatic |
| Temperature Range | 200°C–1200°C |
| Temperature Accuracy | ±1°C |
| Thermal Conductivity Range | 0.03–2.00 W/(m·K) |
| Specimen Size | 230mm × 230mm (Thickness: 40–100mm) |
| Flow Rate (Calorimeter) | 30–120 g/min |
| Power Supply | 380V, 50Hz |
| Dimensions | 900mm (L) × 900mm (W) × 1300mm (H) |
| Weight | 260kg |
Accessoriess
The main accessories of a flat plate thermal conductivity tester include: a test head assembly (containing a hot plate, a heat shield, and a cold plate), used to provide a heat source, maintain one-dimensional heat flow, and receive heat; a heating and temperature control system to ensure temperature stability; a cold plate and cooling system to maintain the temperature on the cold side; a temperature measurement and data acquisition module to accurately measure temperature and acquire data; a pressure regulation and clamping structure to fix the sample and adjust the contact pressure; a heat preservation and constant temperature environment device to reduce heat exchange; and a data acquisition and control system to achieve automated testing and data processing.
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