Thermal Conductivity Tester (Hot wire method)

I. Overview of Hot Wire Thermal Conductivity Tester

The hot wire thermal conductivity tester is a high-precision physical testing device, primarily used to measure the thermal conductivity of non-alloy carbon refractories. The design and manufacture of the hot wire thermal conductivity tester strictly adhere to GE590 and 15O6894:19906 testing standards, ensuring the accuracy and reliability of the test results. Through precise technology and processes, the hot wire thermal conductivity tester provides users with an efficient and convenient testing solution.

II. Detailed Technical Parameters of the Hot Wire Thermal Conductivity Tester

1. Test Temperature Range: The hot wire thermal conductivity tester can operate within a wide temperature range from room temperature to 1250°C, meaning it can adapt to various extreme environments and meet the testing needs of different materials.
2. Thermal Conductivity Testing Range: The equipment's thermal conductivity testing range is 0.02-28 W/(m.K), covering materials with low to high thermal conductivity, making its application very broad.
3. Testing Accuracy: The hot wire thermal conductivity tester achieves a testing accuracy of 0.5%. This high-precision test result provides users with reliable data support, ensuring the accuracy of material performance evaluation.
4. Test Sample Size: The test sample size used by the equipment is 230x114x65mm, requiring two samples for testing. This size design ensures standardized testing and facilitates sample preparation and replacement.
5. Heating Furnace Volume: The heating furnace volume of the hot wire thermal conductivity meter is 410x305x290mm. This volume is sufficient to accommodate test samples of different sizes, ensuring smooth testing.
6. Hot Wire Material, Diameter, and Length: The hot wire of the device is made of Pt (platinum), with a diameter of 0.3mm and a length of 235mm. The platinum hot wire's high-temperature resistance and corrosion resistance ensure the stability and long-term reliability of the test.
7. Hot Wire Voltage: The hot wire voltage range of the hot wire thermal conductivity meter is 0-40V, ensuring stable operation of the equipment.
8. Hot Wire Voltmeter Accuracy: The accuracy of the hot wire voltmeter is 0.01%, ensuring the accuracy of test data.
9. Digital Signal Acquisition Transmitter: The hot wire thermal conductivity meter uses an imported ultra-high precision digital signal acquisition transmitter, which improves signal acquisition accuracy and stability.
10. Hot Wire Power Stability Control and Measurement System: The hot wire power stability control and measurement system has a control accuracy of 0.1%, ensuring precise control and measurement of hot wire power.
11. Microcomputer Measurement and Control Mode: The hot wire thermal conductivity meter adopts a microcomputer measurement and control mode, with the control system based on the Windows operating system. It can continuously plot hot wire current, voltage, power, and temperature rise curves. Simultaneously, the test data can generate XCE data files, allowing users to view and analyze them using third-party software.

III. Applications of Hot-Wire Thermal Conductivity Testers
Hot-wire thermal conductivity testers are widely used in materials science research, industrial production, and quality control. They provide crucial test data for the production and application of refractory materials, helping researchers and engineers evaluate the thermal conductivity of materials, thereby optimizing product design and manufacturing processes. With its high ductility, high stability, and wide range of applications, the hot-wire thermal conductivity tester has become an important tool for testing the thermal conductivity of refractory materials. Through the detailed introduction above, we can understand the technical advantages and application value of hot-wire thermal conductivity testers, which provide strong technical support for materials science research and development and industrial production.