German Nike LFA427 laser thermal conductivity measuring instrument

German Nike LFA427 laser thermal conductivity measuring instrumentHubei Anhe Instrument Co., Ltd. is the sales agent of Germany's Naichi in Central China. Our main products include: thermogravimetric analyzer, differential scanning calorimeter, synchronous thermal analyzer, thermo mechanical analyzer, dynamic thermo mechanical analyzer, high force value and high temperature dynamic thermo mechanical analyzer, dielectric resin curing monitoring instrument, thermal property measurement instrument series, adiabatic acceleration calorimeter series and other German Naichi products.

Product Usage

Laser flash method (LFA) is a fast and flexible measurement method that has developed rapidly in recent years. It can not only directly measure the thermal diffusion coefficient, but also further calculate the thermal conductivity through specific heat measurement or input. Nike offers three LFA models, covering various testing materials and an extremely wide temperature range. The standards it adheres to include: ASTM E 1461, ASTM E 2585, ISO 22007-4, ISO 18755, ISO 13826, DIN EN 821-2, DIN 30905, DIN EN 1159-2 Wait.

Product performance:

• The LFA427 instrument has outstanding advantages such as high precision, high repeatability, fast measurement, diverse sample holder types, and freely adjustable testing atmosphere. Its total measurement temperature range is -120 ° C... 2800 ° C.
• By combining the specific heat value of LFA427 (usually tested using DSC404F1 Pegasus, but can also be measured using a comparative method on LFA427) with the density (measured and calculated using a DIL402 Expedia thermal expansion meter as the density changes with temperature), the thermal conductivity can be further calculated.
• The laser energy, pulse width, atmosphere, and vacuum used for LFA427 measurement can be freely selected, and measurement conditions can be set for different sample properties.
• The LFA427 instrument has a sealed system and is designed to save space. Its safety level has reached level 1, and no special safety measures are required during operation.
• LFA427 software function * allows the instrument to operate in manual or fully automatic mode. And provide special brackets for testing powder, liquid, slag, fiber, and interlayer samples.
• LFA427 is a flexible LFA system suitable for characterizing conventional materials and new high-performance materials in various fields including automotive manufacturing, aerospace, and energy technology.

Product Introduction:

The thermal conductivity and thermal diffusion coefficient are important thermal property parameters for describing the thermal conductivity of materials or components. Laser flash method is a widely used method in the field of thermal conductivity testing, used to measure the thermal diffusion coefficient of materials and calculate their thermal conductivity. The laser thermal conductivity meter LFA 427 launched by Nike represents similar products worldwide. LFA 427 has outstanding advantages such as high precision, high repeatability, fast measurement, diverse sample holder types, and freely adjustable testing atmosphere. Its total measurement temperature range is -120 ° C... 2800 ° C. LFA 427 has launched a special configuration version with a pyrometer, which can measure in a wide temperature range from room temperature to 2800 ° C.

The sample of LFA 427 has a wide range of adaptability, including ceramics, glass, metals, melts, liquids, powders, fibers, and multi-layer materials. From low thermal conductivity materials to diamond with thermal conductivity, measurements can be taken at the same speed and accuracy. The instrument directly tests the thermal diffusion coefficient that varies with temperature, and when combined with the specific heat value (usually using DSC 404 F1 Pegasus) ® The thermal conductivity can be further calculated by comparing the density (measured and calculated using a DIL 402 Expedia thermal expansion instrument as a function of temperature) with the LFA 427.

The laser energy, pulse width, atmosphere, and vacuum used for measurement can be freely selected, and measurement conditions can be set for different sample properties. This instrument has a sealed system and is designed to save space. Its safety level has reached level 1, and no special safety measures are required during operation. Software function *, allowing the instrument to operate in manual or fully automatic mode. And provide special brackets for testing powder, liquid, slag, fiber, and interlayer samples.

LFA 427 is a flexible LFA system suitable for characterizing conventional materials and novel high-performance materials in various fields including automotive manufacturing, aerospace, and energy technology.

LFA 427- Technical Parameters

• Temperature range: -120 400 ° C, RT... 1300 ° C, RT... 1575 ° C, RT... 2000 ° C, RT... 2800 ° C (five optional furnace body types)
• Heating and cooling rate: 0.01 50 K/min (depending on the corresponding furnace body)
• Laser energy: 25 J/pulse (power and pulse width adjustable)
• Non contact surface temperature rise signal testing of samples using infrared detectors
• Range of thermal diffusion coefficient: 0.01 .. 1000 mm2/s
• Thermal conductivity range: 0.1 .. 2000 W/m*K
• Sample specification: Round 6 12.7 mm (optional special specification of 20 mm); Square 10 × 10 mm
• Sample thickness: 0.1 .. 6 mm
• Sample holder: alumina, graphite
• Molten metal container: Sapphire
• Liquid sample container: Platinum
• Atmosphere: Inert, Oxidation, Reduction, Static, Dynamic
• High vacuum sealed system, with a vacuum degree of 10-5mbar

LFA 427- Software Features

The measurement and analysis software of LFA 427 is based on Microsoft Windows^®Proteus of the system^®The software package includes all necessary measurement and data analysis functions. This software package has an extremely user-friendly interface, including easy to understand menu operations and automated workflows, and is suitable for various complex analyses. Proteus software can be installed on the control computer of the instrument for online operation, or installed on other computers for offline use.

LFA software features:

• Pulse width correction and pulse energy integration.
• Heat loss correction.
• Integrated all traditional models.
• Use non-linear regression for Cowan fitting.
• The improved Cape Lehmann model incorporates multidimensional heat loss into the calculation using nonlinear regression.
• Radiation correction for semi transparent samples.
• Two layer and three-layer structural samples: Fit through nonlinear regression and include heat loss in the calculation.
• Calculate the contact thermal resistance of multi-layer samples.
• Specific heat measurement: using a standard sample with known specific heat and calculating through comparative methods.
• Built in database.

German Nike LFA427 laser thermal conductivity measuring instrumentHubei Anhe Instrument Co., Ltd. is the sales agent of Germany's Naichi in Central China. Our main products include: thermogravimetric analyzer, differential scanning calorimeter, synchronous thermal analyzer, thermo mechanical analyzer, dynamic thermo mechanical analyzer, high force value and high temperature dynamic thermo mechanical analyzer, dielectric resin curing monitoring instrument, thermal property measurement instrument series, adiabatic acceleration calorimeter series and other German Naichi products.