Steady state heat flow method thermal conductivity tester for thermal resistance and thermal conductivity coefficient

DRL-VIII integrated cabinetThermal conductivity meter

1Overview

This instrument mainly tests thin thermal conductors, thermal conductive silicone sheets, thermal conductive resins, beryllium oxide ceramics, alumina ceramics and other small materialsThe thermal resistance, contact thermal resistance at the solid interface, and thermal conductivity of the materialThe detection material is generally a solid sheet, and if a frame is added, it can also detect powder and paste materials.

Instrument reference standard:MIL-I-49456A(Insulation sheet, thermal conductive resin, thermal conductive fiberglass reinforcement);GB 5598-85(Method for determining the thermal conductivity of beryllium oxide ceramics);ASTM-D5470-12(Test standard for heat transfer performance of thin thermal conductive solid electrical insulation materials)TheASTM E1225-2020(Through isolation)-compare-Test method for determining solid thermal conductivity using longitudinal heat flow technology)GB/T38712-2020(Experimental method for thermal conductivity of ultra-thin glass - heat flow method)GB /T29313-2012Test method for thermal conductivity performance of electrical insulation materialsWait.

The instrument has automatic pressurization, automatic thickness measurement, and fully computerized automatic measurement and control functions.DRL-8The type of instrument isDRL-3TheDRL-5Developed on the basis of traditional instruments,It can be widely used for material thermal analysis and testing in universities, research institutions, quality inspection departments, and production plants.

IIMain parameters

1Range of thermal resistance measurement:0.01～200 （cm²*k/w）； Error ≤±3％±0.01.

2、Thermal conductivity measurement

2.1Normal mode range:0.1～45 （W/m*k）； Error ≤±3％±0.005.

2.2Range of high conductivity mode:5～500 （W/m*k）； Error ≤±5%.

3Temperature measurement

3.1Temperature resolution0.01℃；error≤±0.1℃

3.2、Hot pole temperature control range:（room temperature+10℃）～200.00℃

3.3、Hot surface temperature control range:（room temperature+10℃）～150.00℃

3.4、Cold Pole Temperature Control Range:5～60.00℃ (constant temperature bath)

4Pressure measurement

4.1Pressure measurement range:0～1000.0NError ≤±0.1％FS.

4.2Pressure control range:20～500.0N

5Thickness measurement

5.1Adopting3Measure with a displacement sensor.

5.2Measurement range:0～10.000mmError ≤±0.005mm.

6Loading and unloading control: stepper motor.

7Test head size:Φ30mm.

8Computer controlled experimental methods

8.1Thermal conductivity test

8.1.1Common measurement modes

8.1.2High conductivity measurement mode

8.1.3Measurement mode of cushion block

8.1.4Composite layer measurement mode

8.2Thermal resistance test

8.2.1Set pressure measurement mode

8.2.2Set temperature measurement mode

8.2.3Set thickness measurement mode

8.2.4Set time measurement mode

8.2.5Customized interface method for cushion blocks

8.3Compression ratio test

9Host power supply: voltage220V; Frequency50HzPower less than1KW.

10Host size:700×720×1700（mm）