Illustration for the Hot Disk Anisotropic Module

With our add-on Anisotropic Measurement Module, the Hot Disk® Instrument user can measure the direction-dependent Thermal Conductivity and Thermal Diffusivity of an anisotropic sample, whether a crystalline or polycrystalline material, laminate, fiber composite, adhesive, film stack, foil stack, insulator, etc., with high accuracy. Our Hot Disk® sensors are used for testing 2D-anisotropic (uniaxial) samples, while our Hot Strip® sensors are applied for testing 3D-anisotropic (biaxial) samples. The latter capability is exclusive to our premium TPS 3500 instrument.

Other Hot Disk® Measurement Modules

Illustration for the Hot Disk Isotropic Standard Module

Isotropic (Standard)

All-round testing of bulk samples

Our foundational and powerful Isotropic Measurement Module allows the Hot Disk® Instrument user to measure the Thermal Conductivity, Thermal Diffusivity, Thermal Effusivity, and Specific Heat Capacity of any isotropic bulk sample, whether a solid, liquid, granule, powder, paste, gel, foam or insulator, with high accuracy and within seconds. Our Hot Disk® sensor is applied and clamped between two identical sample pieces. Sample thickness ranges from several centimeters down to sub-millimeter format.

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Illustration for the Hot Disk Slab Module

Slab (Add‑on)

Testing highly thermal conductive slab or sheet samples

With our add-on Slab Measurement Module, the Hot Disk® Instrument user can accurately measure the in-plane Thermal Conductivity, Thermal Diffusivity, and Thermal Effusivity of a highly thermally conductive slab or sheet sample using our Hot Disk® or Hot Strip® sensors. The slab or sheet can be a metal plate, graphite sheet or laminate, semiconductor wafer, silicone film, metal foil, etc. Sample thickness ranges from several millimeters down to micrometers.

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Illustration for the Hot Disk Thin Film Module

Thin Film (Add‑on)

Testing thermal insulating thin film samples

With our add-on Thin Film Measurement Module, the Hot Disk® Instrument user can easily measure the through-plane Thermal Conductivity of a thermal insulating film or coating with a thickness in the micrometer range using our Hot Disk® sensors. The film can be plastic, paper, flexible glass, etc., while the coating can be a sprayed polymer, sputtered dielectric, spin-coated ceramic, etc.

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Illustration for the Hot Disk Low-Density / Highly-Insulating Module

Low-Density / Highly-Insulating (Add‑on)

Testing the lightest and most insulating samples like aerogels

With our add-on Low-Density / Highly-Insulating Measurement Module, the Hot Disk® Instrument user can confidently test the Thermal Conductivity of ultra-low thermally conducting materials such as aerogels and low-density foams using Hot Disk® sensors. Samples with Thermal Conductivity as low as 0.01 W/mK can be tested accurately.

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Illustration for the Hot Disk One-Dimensional Module

One-Dimensional (Add‑on)

Testing rod-like samples

With our add-on One-Dimensional Measurement Module, the Hot Disk® Instrument user can measure the through-plane Thermal Conductivity, the through-plane Thermal Diffusivity, and the through-plane Thermal Effusivity of a rod-like sample with a width down to 1.5 millimeters and length down to 4 millimeters. This module comes in handy when sample amounts are limited, such as precious metal bars or ingots, graphite pellets, and spark-plasma-sintered materials.

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Illustration for the Hot Disk Structural Probe Module

Structural Probe (Add‑on)

Identify defects, voids, and structural changes inside materials and components

With our add-on Structural Probe Measurement Module, the Hot Disk® Instrument user can measure the Thermal Conductivity as a function of depth into relevant samples, ranging from sub-millimeter to plural centimeter formats. This unique capability offers a powerful tool for QC testing, as homogeneity, defect detection, or analysis of inhomogeneous substances inside a material or component can thus be tested non-destructively. Examples include graphite-epoxy structures, rubber tires, and brake pads.

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Illustration for the Hot Disk Single-Sided Testing Module

Single-Sided Testing (Add‑on)

Rapid production line QC testing

With our add-on Single-Sided Testing Measurement Module, the Hot Disk® Instrument user can measure the Thermal Conductivity, Thermal Diffusivity, Thermal Effusivity, and Specific Heat Capacity with high precision without clamping the Hot Disk® or Hot Strip® sensor between two identical sample pieces. Instead, the sensor and a thermal insulating background support are placed on the surface of a single sample piece or component. This allows for rapid QC testing of high precision at a production line assembly.

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Illustration for the Hot Disk Specific Heat Capacity Module

Specific Heat Capacity (Add‑on)

Testing Cp of complex samples and batteries

With our add-on Specific Heat Capacity Measurement Module, the Hot Disk® Instrument user can directly measure the Specific Heat Capacity (Cp) of complex samples or components accurately. These include solids with non-flat surfaces, anisotropic composites or crystals, low-viscosity liquids, and varying-sized components. Topical examples are batteries (button, cylindrical, prismatic, and pouch cells). Precise measurements are conducted using our dedicated Hot Cell® sensors.

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  • * Only measurements without a Hot Cell® sensor.
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Illustration for the Hot Disk Automatization Module

Automation (Add‑on)

Remote-controlled testing

With our add-on Automation Measurement Module, the Hot Disk® Instrument user can fully remote-control measurements via the TCP/IP protocol. This module is an essential tool when using an instrument for automated QC testing in a production line assembly and solves situations when the user does not have direct access to the instrument.

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