Compare Thermal Conductivity Measurement Methods

Scroll horizontally to compare thermal conductivity methods. Compare thermal conductivity method accuracy, measured properties, tempurature range, materials, calibration, contact resistance, penetration depth, heterogenous samples, and whether the thermal conductivity methods’ theory is scientifically reviewed.  Click here to download a thermal conductivity measurement methods pdf.

 
Compare Thermal Conductivity Measurement Methods
Methods Comparison
TPS vs MTPS



TPS

HFM Compare Thermal Conductivity Measurement Methods



HFM

THW Compare Thermal Conductivity Measurement Methods



THW

TLS Compare Thermal Conductivity Measurement Methods



TLS

laser flash method for thermal conductivity - Compare Thermal Conductivity Measurement Methods



LFA

GHP Compare Thermal Conductivity Measurement Methods



GHP

GHFM Compare Thermal Conductivity Measurement Methods



GHFM

MTPS Compare Thermal Conductivity Measurement Methods



MTPS
Accuracy ± 5% ± 3% ± 5% ± 5% ± 5 to 7% ± 2% ± 5% ± 5 to 15%
Measured Property Thermal Conductivity,

Thermal Diffusivity,

Specific Heat
1
Thermal Resistance,

Thermal Conductivity
1
Thermal Conductivity,

Thermal Diffusivity,

Specific Heat
1
Thermal Conductivity,

Thermal Resistivity
1
Thermal Diffusivity,

Specific Heat
1,

Thermal Conductivity
1
Thermal Resistance,

Thermal Conductivity
1
Thermal Resistance,

Thermal Conductivity
1
Thermal Effusivity,

Thermal Conductivity
1
Temperature Range -160 to 1000°C -20 to 70°C -50 to 400°C -40 to 100°C -253 to 2800°C -160 to 600°C -20 to 300°C -50 to 200°C
Materials Solids, Liquids, Pastes, & Powders Solids – Insulation Liquids and Pastes Soils, Rocks, & Plastics Solids Solids – Insulation Solids Solids, Liquids, & Paste
Calibration None – Absolute Measurement Single – Offset Single – Offset Multiple – Offset None – Absolute Measurement None – Absolute Measurement Single – Offset Multiple – Secondary
Contact Resistance Removed After Measurement Removed Through Calibration N/A Contact Paste Graphite Spray Contact Paste Contact Paste Water & Contact Paste
Penetration Depth Up to 180 mm Entire Sample < 1 mm < 50 mm Entire Sample Entire Sample Entire Sample 0.1 to 3 mm
Heterogenous Samples < 10 mm scale < 20 mm scale < 1 mm scale < 10 mm scale < 0.1 mm scale < 20 mm scale < 5 mm scale < 0.05 mm scale
Theory Scientifically Reviewed Several Published Papers Several Published Papers Several Published Papers Several Published Papers Several Published Papers Several Published Papers Several Published Papers One Published Paper

Specifications sourced from user manuals and available literature.
1 Italicized property delineates calculated properties.

Reference: Wikipedia

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