Guarded Heat Flow Meter for Thermal Conductivity Testing | Accurate Measurement of Thermal Resistance in Materials

📌 Guarded Heat Flow Meter Overview

The Guarded Heat Flow Meter (Heat Flow Method Thermal Conductivity Tester) is designed specifically for testing the thermophysical properties of building materials, insulation materials, refractory materials, and more. The instrument uses the internationally popular heat flow method and features high-precision data acquisition and automated processing, enabling fast measurement of thermal conductivity, thermal resistance, thermal diffusivity, and other thermophysical parameters, with automatic report generation. The testing process is quick, easy to operate, and widely used in research institutions, quality control departments, and the construction industry.

The Guarded Heat Flow Meter can accurately measure the thermophysical properties of various building materials and insulation materials, including concrete, insulation materials, refractory materials, and glass. It can measure the thermal conductivity, heat storage coefficient, specific heat, and thermal diffusivity, providing precise data for material selection, design optimization, and engineering projects. Particularly in the fields of building energy efficiency and material research, Guarded Heat Flow Meter is an indispensable tool.

The device provides precise thermal conductivity measurements, ensuring the reliability of test results. Its automated testing process and fast data processing capabilities make it an important tool in building energy efficiency and material performance research, especially suitable for scientific research and industrial applications that require quick and accurate data acquisition.

Guarded Heat Flow Meter is suitable for testing the thermophysical properties of building materials and insulation materials, and is widely applied in building energy design, material research, and engineering testing. It provides strong technical support for various building projects and material development, making it an indispensable device in scientific research, production, and quality control.

Guarded Heat Flow Meter also helps building material suppliers and developers assess the long-term thermal performance of materials, providing scientific data to support the selection and promotion of more efficient and eco-friendly building materials. As modern buildings increasingly require higher energy efficiency, choosing a high-performance, reliable thermal property testing instrument is crucial for maintaining market competitiveness and meeting regulatory requirements.

📌 Product Details & Operation Display

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⚙️ Product Detail Image 2

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⚙️ Key Features

• High precision measurement with temperature measurement technology and algorithms
• High automation with automatic detection, data collection, processing, and report generation
• Good stability for long-term measurements, ensuring reliable results in complex environments
• Wide measurement range suitable for various materials, including plastics, rubber, glass, and more
• Non-destructive testing, allowing for continuous and multiple measurements without damaging the sample
• Fast measurement, improving work efficiency compared to traditional methods

📊 Technical Parameters

• Thermal Conductivity Range and Precision: 0.0010 ~ 3.0000W/mk, displayed to 4 decimal places, 220V
• Measurement Accuracy: ≤3%
• Sample Size: 300×300 (mm), thickness not exceeding 10–50mm. Custom sizes available.
• Hot Plate Temperature and Control: Room temperature ~ 100°C (standard configuration), flat heating plate, double-direction temperature control, temperature control accuracy of 0.1°C
• Cold Plate Temperature and Control: 5 ~ 90°C (standard configuration), cold plate uses water cooling to ensure stable cold plate temperature (precise constant temperature water tank, adjustable temperature), temperature control accuracy of 0.1°C
• Clamping Method: Computer-controlled precise pressure clamping
• Pressure Range: 0 ~ 1000N
• Resolution: 0.1N
• Sample Thickness Measurement Method: Automatic measurement, 0-50mm, resolution 0.001mm

💡 Why Choose Us?

Tianchang Tongda Instruments Co., Ltd. is a trusted test equipment manufacturer in China,
with over 20 years of experience in industrial testing and quality control.

We specialize in high-precision equipment for pipes, steel structures, rebar, cables, insulation materials, and more.
Our instruments are widely used in laboratories, manufacturing plants, universities, and third-party inspection agencies.

As an ISO-certified company, we ensure all products meet international standards such as ISO, ASTM, and EN.
From installation to remote support, we deliver reliable service and lasting technical assistance.

Our sales network covers all provinces in China and continues to grow globally.
Clients in Southeast Asia, the Middle East, and Europe rely on us for accurate and efficient testing solutions.

✅	20+ years of manufacturing experience
✅	ISO, ASTM, EN standard compliance
✅	Used by top labs and research centers
✅	Full after-sales support and fast delivery
✅	Customized testing solutions for your needs