Kapton-insulated

Our current portfolio of Kapton-insulated Hot Disk® sensors for Isotropic, Anisotropic, Slab, One-dimensional and Structural Probe measurements, with operating temperature from -238 °C (35 K) to 300 °C (400 °C in vacuum or oxygen-free environment), are listed in the following table, followed by photos and detailed dimensions further down:

Sensor model:	Radius (mm):
7531 *	0.5
102003	0.9
7577 *	2.0
7577Q /*	2.0 with extended Kapton
5465	3.2
5465Q **	3.2 with extended Kapton
5501	6.4
5501Q **	6.4 with extended Kapton
8563	9.9
8563L ***	9.9 with extended leads
4922	14.6
4922L ***	14.6 with extended leads
5599	29.5
5599L ***	29.5 with extended leads

* Not suitable for anisotropic measurements.
** For special applications and easier suspension in liquids or melts.
*** Intended for large or high-conducting samples.

Our current range of Kapton-insulated sensors for thin film measurements, operating temperature from -238 °C (35 K) to 300 °C (400 °C in vacuum or oxygen-free environment), are listed in the following table, followed by photos and detailed dimensions further down:

Sensor model:	Radius (mm):
7854	10.5
7280	14.7
7281	30.0

Also available: Specific heat capacity sensors equipped with metal cell sample holder (Cp Cell).

All Kapton-insulated Hot Disk® sensors can be acquired with or without attached cables. The standard cables can be used in a temperature range of -20 to +50 °C while silicone cables are available for use in the wider range of -60 to +180 °C. Sensors without cable can be mounted in dedicated sensor holders for use up to 300 °C (400 °C in vacuum or oxygen-free environment).

Kapton-insulated Hot Disk® Sensors – Standard

Illustration of the Standard Sensors dimensions

Model Dimensions

∅ = Diameter double spiral
A = Effective sensor length

Model 7531

∅ = 1.0 mm
A = 51 mm

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Model 102003

∅ = 1.8 mm
A = 51 mm

Model 7577

∅ = 4.0 mm
A = 49 mm

Model 5465

∅ = 6.4
A = 49 mm

Model 5501

∅ = 12.8 mm
A = 49 mm

Model 8563

∅ = 19.8 mm
A = 45 mm

Model 4922

∅ = 29.2 mm
A = 50 mm

Model 5599

∅ = 59.0 mm
A = 66 mm

Kapton-insulated Hot Disk® Sensors – Extended length

Illustration of the Extended Length Sensors dimensions

Model Dimensions

∅ = Diameter double spiral
A = Effective sensor length

Model 8563L

∅ = 19.8 mm
A = 88 mm

Model 4922L

∅ = 29.2 mm
A = 102 mm

Model 5599L

∅ = 59.0 mm
A = 118 mm

Kapton-insulated Hot Disk® Sensors – Extended cladding

Illustration of the Extended Cladding Sensors dimensions

Model Dimensions

∅ = Diameter double spiral
A = Effective sensor length

Model 7577Q

∅ = 4.0 mm
A = 49 mm

Model 5465Q

∅ = 6.4 mm
A = 49 mm

Model 5501Q

∅ = 12.8 mm
A = 49 mm

Kapton-insulated Hot Disk® Sensors – Thin film

Illustration of the Thin Film Sensors dimensions

Model Dimensions

∅ = Diameter double spiral
A = Effective sensor length

Model 7854

∅ = 21.0 mm
A = 50 mm

Model 7280

∅ = 29.4 mm
A = 50 mm

Model 7281

∅ = 60 mm
A = 66 mm

Other Sensors

Teflon-insulated

Hot Disk® Sensor

Our Teflon-insulated sensors are mechanically flexible, geared toward liquid- or high-viscosity immersion and temperatures up to 250 °C. They are designed for use in extreme conditions, such as acidic or corroding environments, or with sticky and reactivate samples. The Teflon-insulated Hot Disk® sensors, today available in six smaller-radii models.

Mica-insulated

Hot Disk® Sensor

Our Mica-insulated Hot Disk® sensors are mechanically inflexible, and designed for measurements at elevated temperatures, typically in the 300 °C to 1000 °C range. Coming in eight models of different radii to date, they are commonly more perishable at higher temperatures, while easily replaced and available in bulk.

Hot Strip Sensor

While our Hot Disk® sensors can accommodate most measurement scenarios, our Hot Strip sensors can help tackle odd-shaped and/or limited-sized samples, e.g. rectangular slabs and rods with square cross-sections. Regarding anisotropic samples, Hot Strip sensors can be used to analyze the 3D Thermal Conductivity tensor of biaxial materials, whereas the Hot Disk sensors are limited to analyzing in-plane and through-plane Thermal Conductivity of uniaxial materials.

Kapton-insulated