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Krüss K100SF

  • Fully automatic universal tensiometer, offering a resolution of 0.0001mN/m (0.1 µg)
  • SFT,IFT,CMC, extended CMC, density
  • Dynamic contact angle, sorption, surface free energy
  • Distance resolution 0.1 µm
  • Minimum fiber diameter is 5 µm

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The high-precision tensiometer for measuring contact angle on single fibers

The high-precision Force Tensiometer - K100SF is specially designed for analyzing the wettability of single fibers by measuring the contact angle. K100SF is fitted with a particularly high-resolution force sensor. The instrument therefore reliably measures the wetting forces on even very thin fibers, for example on single carbon fibers which are just a few microns thick.

Quality ensurance and development
K100SF has been specially developed for use in quality assurance and in the development of fiber coatings, particularly for the embedding of fibers in fiber reinforced materials. Good wettability of the fibers and good adhesion of the coatings are required in these applications. By measuring single fibers with K100SF, quality assurance can be carried out at an early stage, namely before the fibers are made into bundles or matting. This enables early intervention in the case of quality deficiencies, resulting in less production waste and reduced cost.

Additional methods
K100SF features various additional precision measuring methods. These include the measurement of surface tension and interfacial tension, the critical micelle concentration(CMC), the contact angle on powders and solids, and the measurement of liquid densities

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Specifications

Specifications

Force measurement
Maximum load: 6g
Resolution: 0.1µg
Adjustment: Fully automated
Adjustment weight: Internal weight

Sample stage
Travel distance: >110mm
Resolution: 0.1µm

Du Noüy Ring
SFT/IFT/CMC
Range: 1 to 400 mN/m
Resolution: 0.0001 mN/m

Wilhelmy plate
SFT/IFT/CMC
Range:  1 to 700 mN/m
Resolution: 0.0002 mN/m

CA
Range: 0 to 180°
Resolution: 0.01°

Washburn
CA
Range: 0 to 90°
Resolution: 0.01°

Surface free energy of solids
Result: Surface free energy
Model: Equation of state, Zisman, Fowkes, Wu, Owens-Wendt-Rabel-Kaelble, extended Fowkes, acid-base theory

Temperature control
Type: Liquid, Peltier
Range: -15 to 50 °C

Dimensions
300 (W) × 390 (D) × 585 (H) mm

Weight
24kg (without accessories)

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