Portable Meter (MP-2 and TLS-100)

Available Sensors:

Method MTPS THW TLS 50mm TLS 100mm TLS 150mm TPS-EFF
Materials Solids, pastes and powders Liquids Concrete, rock and polymers Soils and polymers Soils and polymers Fabrics and solids
Thermal conductivity (W/m·K) 0.029 to 20 0.01 to 1 0.3 to 5 0.1 to 5 0.1 to 3 N/A
Thermal resistivity (mK/W) N/A N/A 0.2 to 3.3 0.2 to 10 0.3 to 10 N/A
Thermal effusivity (W√s/m²K) N/A N/A N/A N/A N/A 35 to 1700
Sample size (mm | mL) 25 diameter or square 15 mL 50 length, 50 diameter 100 length, 50 diameter 150 length, 50 diameter 30 diameter
Largest sample size Unlimited Unlimited Unlimited Unlimited Unlimited Unlimited
Test time (seconds) 10, 20, and 40 1 180 180 180 2 and 10
Accuracy 5% 5% 5% 5% 5% 5%
Repeatability 2% 2% 2% 2% 2% 2%
Temperature range (°C) 0 to 80 0 to 80 -40 to 100 -40 to 100 -40 to 100 -10 to 50
Standards N/A ASTM D7896-19 N/A ASTM D5334-22a, IEEE 442-1981 ASTM D5334-14, IEEE 442-2017 ASTM D7984