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. The Hot Disk® sensor is clamped between two identical sample pieces. Sample thickness ranges from several centimeters down to sub-millimeter format.
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Anisotropic (Add‑on)
Testing samples with direction dependent properties
With our add-on Anisotropic Measurement Module, the Hot Disk® Instrument user can measure the direction dependent Thermal Conductivity, Thermal Diffusivity, and Thermal Effusivity of an anisotropic sample, whether a crystalline or polycrystalline material, laminate, fiber material, adhesive, film stack, foil stack, insulator, etc. Samples with 2D or 3D anisotropy, i.e. of an uniaxial or biaxial medium, can be analyzed.
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- * Can handle samples with 3D anisotropy
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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 thermal conductive slab or sheet sample. 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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Low-Density / Highly-Insulating (Add‑on)
Testing the lightest and most insulating samples
With our add-on Low-Density / Highly-Insulating Measurement Module, the Hot Disk® Instrument user can confidently measure the Thermal Conductivity of ultra-low thermal conducting materials such as aerogels. Applying special routines to carefully correct for the heat loss via the sensor leads during a measurement, samples with Thermal Conductivity as low as 0.01 W/mK can be determined with high accuracy.
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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, Thermal Diffusivity, and Thermal Effusivity of a rod-like sample, with width down to 1.5 millimeters and length down to 4 millimeters. This module comes in handy when sample amounts are limited, for example regarding precious metal bars or ingots, graphite pellets, and spark-plasma-sintered materials.
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Structural Probe (Add‑on)
Identify defects and structural changes inside samples 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 up 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 sample or component, can thus be tested non-destructively. Examples of components include rubber tires, brake pads, and graphite-epoxy structures.
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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, while not being required to clamp the Hot Disk® sensor between two identical sample pieces. Instead the Hot Disk® sensor, together with a thermal insulating background support, is placed on the surface of a single sample piece or component. This allows for quick QC measurements of adequate precision at a production line assembly.
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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 and components with high accuracy. These include solids with non-flat surfaces, components with largely varying sizes, liquids, and pastes. Further examples of components are batteries (button-, cylindrical-, prismatic-, and pouch-cell batteries). Precise measurements are conducted using our dedicated Cp cells (metal containers with a Hot Disk® sensor attached). Measurements without a Cp cell is also possible for bulk samples with high thermal conductivity (>5 W/mK)
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- * Only measurements without a Cp cell.
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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 QC testing in a sensitive production line assembly. It also comes in handy for situations when the operator does not have direct access to the instrument.
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