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ISO 8302 ASTM C 177 Double Plate High Temperature Thermal Conductivity Teste
Introduction:
The double-plate thermal conductivity tester is a highly accurate
testing tool for measuring the thermal conductivity of insulation
materials. It has a wide testing temperature range (high
temperature up to 800°C, low temperature up to - 160°C). It can not
only measure soft materials (cotton, felt, etc.) , and can measure
hard materials, has good accuracy, is convenient for loading and
unloading test pieces, and has the advantages of the computer
automatically adjusting and controlling the judgment results and
generating test reports according to user needs. It complies with
ISO8302 and ASTMC177, as well as the national standard GB10294-2008
Determination of steady-state thermal resistance and related
characteristics of thermal insulation materials using the protected
hot plate method. The principle is to use the principle of one-way
stable thermal conduction to place two samples on the hot plate and
two Between the side cold plates, when the hot and cold sides of
the sample are at different temperatures and reach strict stable
conditions, the thermal conductivity is calculated by measuring the
electrical power of the effective hot surface of the sample, the
temperature difference between the two surfaces of the sample and
the thickness of the sample. The instrument structure is reasonably
designed and the temperature control accuracy is high. It has a
unique internal protection temperature difference measurement
system and a high-precision external protection temperature control
system. The reasonable design allows the heat flow direction to be
conducted only from the hot surface to the cold surface, without
heat loss in other directions. Experiment It has high accuracy and
is an arbitration method and an absolute method among thermal
conductivity measurement methods.
Application:
Use the steady-state method to test the thermal conductivity of
non-metallic plate materials.
Reference standards:
According to the international standards ISO8302 and ASTMC177, and
the national standard GB/T10294-2008, the thermal conductivity of
plate materials is measured by the protected hot plate method.
Main technical data:
Model | GD-ISO8302-1 | GD-ISO8302-2 |
Thermal conductivity measurement range | 0.01-1.00000W/(m.k | 0.01-1.00000W/(m.k |
Temperature resolution | 0.01ºC | 0.01ºC |
Hot surface temperature range | 70-515ºC | 70-815ºC |
Cold surface temperature range | 50-500ºC | 50-800ºC |
Cold surface temperature range | 60-500ºC | 60-800ºC |
Specimen size | (1) Diameter 200 (mm); (2) Thickness (5-40mm adjustable), automatic thickness measurement, display accuracy: 0.01MM | |
Sample pressure adjustment range | 0-1000N | 0-1000N |
Temperature difference between main and first anti-seam | ±0.002ºC | ±0.002ºC |
Temperature difference of specimen one heating jacket | ±0.2ºC | ±0.2ºC |
Accuracy (deviation) | ±2ºC | ±2ºC |
Repeatability | Better than 1% | Better than 1% |
Power supply | AC220V 2KW | AC220V 2.5KW |
Dimensions (mm) | 1500*700*1550 | 1500*700*1600 |
Weight (kg) | 320 | 350 |