Courage + Khazaka electronic GmbH

Frictiometer FR 700

Frictiometer FR 700

Frictiometer probe head

Assessing Skin Friction

The Frictiometer FR 700 is a quick, easy and economical tool to measure the friction values on the skin and other surfaces for various applications.

  • Advantages of the Frictiometer

    Frictiometer arm
    • Constant pressure on the skin by the weight of the rotating disk.
    • Different velocities of rotation can be set.
    • The probe is especially sensitive and shows a broad scale of measuring results.
    • A notch on the measurement head allows the fixation of different materials on the probe head.
    • Measurement on different surfaces is possible (e.g. textiles, plastic, metal and many more).
    • It allows quick measurements as well as continuous measurements over a longer period.
    • The probe head can easily be cleaned after each measurement.

    The Frictiometer FR 700 is connectable to the MPA systems (but not the MPA 2) and the MDD device (please see details in Basic Probe Systems).

  • Measurement Principle

    Frictiometer principle eThe probe contains a motor, a steering unit and the friction head with a plain, smooth Teflon disk. A constant rotational speed is applied onto the skin by the friction head. The torque is measured and the result is displayed as Frictiometer units.
  • Fields of Applications

    There are numerous applications possible:

    • The probe can measure friction of the skin as well as of other surfaces (e.g. textiles, papers, etc.). The measurement is suitable for comparison measurements, rather than absolute measurements.
    • Skin characterization: The friction of the skin is depending on many parameters (dryness, smoothness, roughness, scaliness and other topographic properties).
    • There is a close correlation between skin friction measurements and some sensorial impressions. A recently published and awarded paper by a Swiss group could establish this link well.
    • Efficacy testing of skin care products: e.g. increasing smoothness, hydration, etc. The measurement is also sensitive to different kind of formulations, e.g. o/w vs. w/o (the w/o emulsions decrease the frictionary resistance more than the o/w emulsions and the effect is longer lasting).
    • Typical claims (examples) substantiated with the Frictiometer: spreadability/greasiness/stickiness of products, claims related to smoothness/roughness od the skin surface, sensitive skin, and more.
    • Effects of textiles and papers used on the skin Frictiometer tissue(e.g. diapers, tissue, toilet paper, etc.): Different materials of course have different Frictiometer values. For testing, the material is pulled over the friction head and fixed in the notch. The frictionary resistance of the material may lead to irritation on the skin (which then can be assessed i.e. with the Mexameter®). It is possible to study e.g. the effects of untreated paper tissues on the skin in comparison with paper tissues containing additives.
  • Technical Data

    Probe only:

    Dimensions: 13 cm, Cable length: approx. 1.3 m, Measuring surface: Ø 16 mm (plain Teflon head), Weight: approx. 130 g incl. cable, Pressure: 0.7 N

    Measurement principle: measurement of torque, Units: arbitrary Frictiometer® units, Measurement uncertainty: ± 10%

    Technical changes may be made without prior notice.

Courage+Khazaka electronic GmbH
Mathias-Brüggen-Str. 91
50829 Köln, Germany
Phone: +49-221-9564990
Fax: +49-221-9564991
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