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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