High Temperature Thermal Conductivity Tester

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Whats/App: +86 156 1874 6768

Web: standard-groups.com

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

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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