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Laser Flash Method Thermal Conductivity Tester

Published: 1/6/2025

The Laser Flash Method Thermal Conductivity Tester uses a laser to measure the rise in temperature on the back of a sample to calculate its thermal diffusivity. It is suitable for various materials, including metals, ceramics, graphite, and polymers, and conforms to GJB 1201.1-91 and ASTM D1461 standards.

Product Description

The DRX-II-JG Laser Flash Method Thermal Conductivity Tester leverages a laser pulse to irradiate a sample, with an infrared detector measuring the resulting temperature increase on the rear surface. This method allows for the rapid and convenient calculation of thermal diffusivity, specific heat, and thermal conductivity. It is extensively used for testing metals, alloys, ceramics, graphite, carbon fibers, filled plastics, and polymers, as well as in solid, liquid, and powder forms for materials like coal and electrically insulating solids.

This instrument is designed with modularity in mind, enabling the measurement of thermal diffusivity, thermal conductivity, and specific heat capacity across a wide range of temperatures, from -125°C to 2800°C. It accommodates varying sample sizes and types, including solids, low-viscosity liquids, high-viscosity liquids, and films. The DRX-II-JG provides the flexibility to use different sample holders and atmospheres, such as vacuum and inert gases, to suit specific testing requirements. With a user-friendly interface, the device supports automatic sample loading and connects to a computer for comprehensive data analysis and reporting.

Technical Specifications

ParameterSpecification
Temperature RangeRT-2800°C
Heating/Cooling Rate0.1-30°C/min
Sample SizeSquare ≥10×10mm, Circular <φ20mm, Thickness 1-10mm
Sample Capacity1 to 6 samples
Vacuum Pressure-0.1 MPa to 10^-3 Pa
Thermal Diffusivity Range0.01-1000 mm²/s
Thermal Conductivity Range0.1-4000 W/m·K
Pulse SourceNd:YAG Laser
Pulse Energy15 J/shot
SensorInsb/MCT, air-cooled
Sample TypesSolid, Low-viscosity liquid, High-viscosity liquid, Powder, Semi-solid, Elastic solid, Film
Sample Holder MaterialsGraphite, SiC, Al2O3, Metal
Control And InterfaceCompatible with Windows 10, USB and proprietary interface

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Contact Information

Address

B6-101, Zhongnan High-Tech Intelligent Manufacturing Industrial Park, No. 10 Shuangma Street, Yuetang District, Xiangtan City, Hunan Province, China


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