Trident

the highlights

1 instrument, 3 methods for thermal conductivity

MODIFIED TRANSIENT PLANE  SOURCE ( MTPS )
Simple and precise. The MTPS method employs a single-sided sensor to directly measure thermal conductivity and effusivity of materials. The MTPS method has the highest precision, highest sensitivity, shortest test time, and is the easiest to use among all three techniques.

TRANSIENT PLANE SOURCE ( TPS ) FLEX
The TPS method employs a double-sided sensor for characterizing the thermal conductivity and diffusivity of materials. Recommended for experienced users, TPS provides the greatest flexibility and control over experimental parameters and avoids the use of any contact agents.

TRANSIENT LINE SOURCE ( TLS ) NEEDLE
The TLS method employs a needle probe to characterize the thermal conductivity of viscous and granular materials. It is the most robust sensor for thermal conductivity testing.

specifications
Test Method MTPS TLS Needle Flex TPS
Thermal conductivity range  0 to 500 W/mK 0.1 to 6 W/mK 0.03 to 500 W/mK
Thermal effusivity range 5 to 40,000 Ws½/m²K Not available Not available
Temperature range -50º to 200 ºC
With option to extend to 500ºC
-55º to 200ºC  -50º to 300ºC
Accuracy Better than 5% Stated for 20°C
± (3% + 0.02) W/mK
Better than 5%
Precision Better than 1% Better than 3% Better than 2%
Sensor size 18 mm diameter 150 mm length 6 mm, 13 mm and 30 mm
diameter sensors available
Testing time 0.8 to 3 seconds 1 to 4 minutes 10 to 180 seconds
Smallest sample size Solids: Minimum diameter of
18 mm. Minimum thickness
is dependent on thermal
conductivity. For materials
under 1 W/mK a min. thickness
of 1 mm is suggested.
Liquids & Powders: 1.25 mL
80 mL Requires two identical
samples. The diameter of the
samples must be 2.5X sensor
diameter. Thickness must be
at minimum the same as the
sensor diameter.
Largest sample size Unlimited Unlimited Unlimited
applications
Test Method MTPS TLS Needle Flex TPS
Applications  Aerogels, Automotive, Batteries,
Composites, Insulation,
Explosives, Geological, Liquids,
Metals, Nanomaterials, Metal
Hydrides, Nuclear, Phase
Change Materials (PCMs),
Polymers, Rubber, Thermal
Interface Materials (TIMs),
Thermoelectrics
Polymer Melts, Semi-Solids,
Soil
(Not suitable for lower
viscosity fluids due to
convection.)
Cement/Concrete, Porous
Ceramics, Polymers
(Not suitable for open-celled
foams or fluids.)

 

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associated products
videos
C-Therm Trident TCi Thermal Conductivity Instrument
熱伝導率 : Trident par SETARAM