DRX-II-JG laser thermal conductivity meter Introduction: The DRX-II-JG laser pulse thermal conductivity meter uses a laser beam to irradiate the sample, and measures the increase in temperature on the back of the sample using an infrared detector to calculate the thermal diffusion coefficient of the sample. It has the characteristics of being fast and convenient. Its measured thermal diffusion coefficient is 0.001... 10cm2/sec, and it can measure the specific heat of the sample to further calculate the thermal conductivity. Applied to testing of metals and alloys, diamonds, ceramics, graphite and carbon fiber, filled plastics, polymer materials, etc. This instrument mainly tests the thermal conductivity of thin thermal conductors, solid electrical insulation materials, granular materials, powdered materials, coal, solid materials, thermal conductive resins, thermal conductive glass fibers, etc. According to GJB 1201.1-91 Test Method for High Temperature Thermal Diffusivity of Solid Materials - Laser Pulse Method, ASTMD 1461 Flash Method for Measuring Thermal Diffusivity, ASTM E2585 Flash Method for Measuring Thermal Diffusivity, GBT 22588 Flash Method for Measuring Thermal Diffusivity or Thermal Conductivity. characteristic: 1. Specialized analysis and testing software, supporting WIDOWS10 64 bit operating system 2. It can be connected to a computer for fully automatic control, with a Chinese operating interface and automatic printing of test reports; 3. Multiple mathematical model fitting, accurate pulse width correction and pulse energy integration, heat loss correction, built-in database. 4. Multi layer contact thermal resistance analysis can be carried out, and parameters such as thermal resistance and thermal diffusion rate can be calculated. The specific heat can be calculated using a standard sample with known specific heat and through comparative methods; 5. Can achieve two modes of vacuum measurement and protective atmosphere measurement (atmosphere: inert, oxidation, reduction, static, dynamic), 9. Use infrared detector for non-contact sample surface temperature rise signal testing; Technical parameters: Temperature range: Room temperature -1250 ℃; Using silicon molybdenum rod for heating and special furnace structure design Temperature control accuracy: ± 1 ℃, PID intelligent adjustment, program control, B-type thermocouple temperature measurement. Thermal conductivity testing range: 0.1-300W/mK, 1-500W/mK, 10-4000W/mK; Range of thermal diffusion coefficient: 0.01-2000mm2/s; Pulse source: Nd: YAG Laser Pulse energy: 15J/time Adjustable pulse energy: Yes Adjustable pulse interval: software setting Sensor: Insb/MCT, air-cooled Sample testing range: Square not less than 10 × 10mm, circular diameter of 12.5, thickness of 0.1-10mm; try to choose samples with a thickness of 3mm; Test sample types: solid block, low viscosity liquid, high viscosity liquid, viscous semi-solid, elastic solid, film, etc. can all be adapted, and solid powder requires special customization; The maximum number of samples that can be placed at a time is 1 sample, Number of samples for a single test: 1 sample; Vacuum degree: -0.1Mpa Cp repeatability: ± 3% (for most materials) Repeatability of thermal diffusion coefficient: ± 2 (for most materials) Host computer interface: USB and dedicated portable interface;
Introduction: The DRX-II-JG laser pulse thermal conductivity meter uses a laser beam to irradiate the sample, and measures the increase in temperature on the back of the sample using an infrared detector to calculate the thermal diffusion coefficient of the sample. It has the characteristics of being fast and convenient. Its measured thermal diffusion coefficient is 0.001... 10cm2/sec, and it can measure the specific heat of the sample to further calculate the thermal conductivity. Applied to testing of metals and alloys, diamonds, ceramics, graphite and carbon fiber, filled plastics, polymer materials, etc. This instrument mainly tests the thermal conductivity of thin thermal conductors, solid electrical insulation materials, granular materials, powdered materials, coal, solid materials, thermal conductive resins, thermal conductive glass fibers, etc. According to GJB 1201.1-91 Test Method for High Temperature Thermal Diffusivity of Solid Materials - Laser Pulse Method, ASTMD 1461 Flash Method for Measuring Thermal Diffusivity, ASTM E2585 Flash Method for Measuring Thermal Diffusivity, GBT 22588 Flash Method for Measuring Thermal Diffusivity or Thermal Conductivity.
