JK-TPS-2000 Thermal Constant Analyzer

JK-TPS-2000typeThermal constant analyzer

JK-TPS-2000typeThermal constant analyzerThis instrument adopts excellent transient plane heat source method and longitudinal heat flow technology, which is convenient, fast, and accurate. It can be used to measure the thermal conductivity, thermal diffusivity, and thermal melting of various types of materials, and the applicable range of thermal conductivity coefficients0.01-200W/MKSuitable sample types include solid, powder, coating, liquid, anisotropic materials, and various other forms of materials. Reference standardISO22007-2.

Key Features:

1. Directly measure transient heat propagation, with testing time between minutes and seconds.

2. Will not be affected by contact thermal resistance like the static method

3. No special sample preparation is required, only a relatively flat sample surface is needed

4. Can be used for the determination of thermal properties parameters of solids, powders, liquids, anisotropic materials, etc.

Technical requirements and parameters:

（1）One test can simultaneously obtain three data points: thermal conductivity, thermal diffusivity, and specific heat capacity (volume) of the tested sample;

（2）Built in accuracy not less than6Half of itKeithleyHigh precision multimeter, capable of measuring minimum voltage up to0.1uVMinimum DC current to10nAThe switch activation time is less than3msAnd configure the minimum measurement accuracy to be± 438nAThe source table; The digital voltage sampling rate shall not be less than90000/Seconds; During equipment installation, it is necessary to check the aforementioned hardware to ensure the acquisition of high-precision raw data;

（3）Measurement range of thermal conductivity≥0.005~1800 W/(m٠K)；

（4）Thermal diffusivity≥0.01~1200mm2/S；

（5）Specific heat measurement range≥0.01~5 MJ/(m3K)；

（6）*Measurement accuracy of thermal conductivity≤± 3 %；

（7）Measurement accuracy of thermal diffusivity≤± 5 %；

（8）Specific heat measurement accuracy≤± 7 %；

（9）Repeatability of thermal conductivity measurement≤1%

（10）Having the function of a structural probe, it can be tested in one go2000A transient curve composed of data points, along with a gradient curve of thermal conductivity along the thickness direction of the block material;

（11）Having1 The testing function can accurately measure the diameter≤7 mm, height≤50 mmThermal conductivity of brass pillar;

（12）Test environment:RT~400℃The temperature control accuracy shall not be lower than±0.1℃The temperature fluctuation is not greater than±1℃/hThe temperature uniformity is not greater than±2℃；

（13）The internal space of the medium temperature testing environment shall not be less than40LAnd it can be automatically controlled by the host's built-in software to adjust the lifting and testing process.

（14）Effective transient testing time range≥12560SEffective transient power≤10nW,And it can be checked in the software;

（15）Capable of in-situ testing without the need for sample preparation or with minimal sample preparation work;

（16）Minimum block sample size: thickness2 mm,diameter10 mmAt the same time, it can handle the thinnest75umAccurate testing of high conductivity thin film materials such as single-layer graphite film and aluminum-plastic film;

（17）Working voltage:220 V, 50 Hz；

（18）Measurable sample types: solid, powder, liquid, paste, and composite materials, etc;

（19）Probe: Double helix circular yellow polyimide coated probe, the main component is photolithography nickel wire, and the probe and wire at room temperature should be integrated. Black coated probe or wire separated probe design is not accepted to avoid affecting the accuracy and service life of the probe; To cope with1mmThe radius should be provided for the testing of the following polymer materials≤0.9mmThe probe; At the same time, it should be able to provide19*16mmStrip probe, convenient for testing the thermal conductivity along a certain direction within the sample;