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Frictiometer FR 700
Quick and Easy Friction Measurement for Skin and Other Surfaces
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Overview
The Frictiometer FR 700 is a scientific probe designed to measure the friction properties of the skin surface. Developed by Courage + Khazaka electronic GmbH, it provides objective and quantitative data on how the skin interacts with contact, movement, and surface resistance.
The measurement is based on the friction principle. During measurement, the probe evaluates the resistance created when the measuring head moves across the skin surface. This makes it useful for assessing skin smoothness, roughness, softness, dryness, product residue, and surface feel.
The Frictiometer FR 700 is especially valuable in cosmetic research, dermatology studies, clinical testing, product development, and claim substantiation. It can support studies involving moisturizers, cleansers, anti-aging products, barrier-support formulations, body care products, and topical treatments where skin surface texture and tactile properties are important.
As part of the Courage + Khazaka MPA system, the Frictiometer can be combined with other probes such as the Cutometer®, Indentometer IDM 800, Corneometer®, Tewameter®, and Sebumeter® to provide a more complete and quantitative evaluation of skin surface properties, mechanical behavior, and overall skin condition.
Features
Constant measurement pressure
The weight of the rotating disk provides constant pressure on the skin during measurement.
Adjustable rotation speed
Different rotation velocities can be selected according to the study protocol and measurement needs.
High sensitivity
The probe is highly sensitive and provides a broad scale of measurement results for detailed friction analysis.
Material fixation option
A notch on the measurement head allows different materials to be fixed onto the probe head for specific test applications.
Suitable for different surfaces
Measurements can be performed not only on skin, but also on surfaces such as textiles, plastic, metal, and other materials.
Quick and continuous measurements
Supports both fast individual measurements and continuous measurements over a longer period.
Easy cleaning
The probe head can be cleaned easily after each measurement for hygiene and consistent performance.
System compatibility
The Frictiometer FR 700 is connectable to MPA systems, except MPA 2, and can also be used with the MDD device.
Technology
The Frictiometer FR 700 measures skin friction using a motor-driven rotating friction head. The probe contains a motor, steering unit, and friction head equipped with a plain, smooth Teflon disk.
During measurement, the weight of the probe applies constant pressure to the skin or test surface. The motor then rotates the friction head at a constant speed, which can be adjusted in the software according to the study protocol.
As the disk rotates on the surface, the device measures the required torque. The result is displayed in Frictiometer units, providing a quantitative indication of surface friction.
Smoother surfaces require less motor force, while rougher or higher-friction surfaces require more force. This allows the Frictiometer FR 700 to objectively assess skin surface properties such as smoothness, roughness, and tactile feel, as well as friction behavior on other materials.
Application
Skin and surface friction comparison
Measures friction on the skin and other surfaces such as textiles and paper, mainly for comparative evaluation rather than absolute measurement.
Skin surface characterization
Helps assess skin surface properties related to dryness, smoothness, roughness, scaliness, and other topographic conditions.
Skin care product efficacy testing
Useful for evaluating smoothness, hydration effect, product absorption, and differences between formulations such as oil-in-water and water-in-oil emulsions.
Claim substantiation
Supports claims related to product spreadability, greasiness, stickiness, skin smoothness, skin roughness, and sensitive skin.
Textile and paper irritation studies
Evaluates the friction effect of materials used on the skin, such as diapers, tissues, toilet paper, and treated or untreated paper products.
Sensorial evaluation support
Helps connect objective friction measurements with sensory impressions such as skin feel, smoothness, stickiness, and product residue.
Available Configuration
The Frictiometer FR 700 is connectable to MPA systems, except MPA 2, and can also be used with the MDD device.
MPA
MDD 4
FAQs
What does the Frictiometer FR 700 measure?
The Frictiometer FR 700 measures the friction properties of the skin surface and other materials. It helps evaluate surface characteristics such as smoothness, roughness, dryness, stickiness, and tactile feel.
How does the Frictiometer FR 700 work?
The probe uses a motor-driven rotating friction head with a smooth Teflon disk. The probe’s weight provides constant pressure, while the motor rotates the disk on the skin or test surface. The required torque is measured and displayed in Frictiometer units.
Can the Frictiometer be used on materials other than skin?
Yes. The Frictiometer FR 700 can be used on different surfaces, including textiles, paper, plastic, metal, and other materials. It is commonly used for comparative friction testing.
What types of claims can the Frictiometer support?
It can support claims related to skin smoothness, roughness, sensitive skin, product spreadability, greasiness, stickiness, product absorption, and improved skin feel, depending on the study design.
Can it be used for textile or paper irritation studies?
Yes. Materials such as tissues, diapers, toilet paper, or textiles can be fixed onto the probe head. Their friction against the skin can be evaluated to help study potential irritation or comfort.
What systems is the Frictiometer FR 700 compatible with?
The Frictiometer FR 700 is connectable to compatible Courage + Khazaka MPA systems, except MPA 2, and can also be used with the MDD device.
Is there a calibration check method, and does the Frictiometer FR 700 require regular manufacturer calibration?
Yes. The Frictiometer FR 700 can be checked using the appropriate procedure to verify that the probe is performing within the expected range between calibration intervals.
To maintain accuracy, reliability, and traceability, the Frictiometer FR 700 should also be calibrated by the manufacturer every 2 years. Regular calibration helps support quality control, study consistency, and claim substantiation requirements.
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