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Krüss K100

  • Fully automatic universal tensiometer, SFT/IFT resolution 0,001 mN/m (10 µg)
  • SFT,IFT,CMC, extended CMC, density
  • Dynamic contact angle, sorption, surface free energy, sedimentation, penetration
  • Distance resolution 0,1 µm
  • Built-in ionizer

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The universal instrument for analyzing surfactants and solid surfaces

K100 performs high-precision, automatic and reliable measurements of surface tension and interfacial tension, critical micelle concentration CMC and contact angle on solids, fibers and powders. With high-quality components and a uniquely wide range of methods, the instrument carries out many tasks in the field of surfactant analysis and wetting measurement for your quality assurance or research. The simple changeover between different measuring methods takes place entirely without reconfiguring the instrument.

High-quality components for precise measurements
The software-controllable sample stage moves in a wide speed range and communicates its exact position to the software with a resolution of 0.1 μm. This adds to the accuracy of results where position control is essential, e.g. for Du Noüy ring or contact angle measurements. The option of saving standard positions supports you in preparing the analyses.

An integral, automatic stirring function ensures optimum homogenization of dispersions before measuring or rapid equalization of concentration or temperature.

The ionizer inside the sample chamber ensures reliable contact angle measurements on solid samples and single fibers. The ionizer automatically removes the troublesome effect of static charge before the measurement is carried out. Otherwise, this could falsify the result in the form of an additional force.

Many accessories expand the range of options
With different available temperature control units, measurements can be carried out between -15 and 300 °C: This enables thermal process conditions to be simulated and even samples such as polymer melts or bitumen to be analyzed.

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Specifications

Specifications

Force measurement
Maximum load: 210g
Resolution: 10µg
Measurement rate: 50Hz
Adjustment: Fully automated
Adjustment weight: Internal weight
Locking mechanism: Automatic

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

Du Noüy Ring
SFT/IFT/CMC
Range: 1 to 2000 mN/m
Resolution: 0.001 mN/m
Correction method: Harkins-Jordan, Huh-Mason, Zuidema-Waters, linear correction, no correction

Wilhelmy plate
SFT/IFT/CMC
Range:  1 to 2000 mN/m
Resolution: 0.002 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, electrical, Peltier
Range: -15 to 300 °C

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

Weight
23kg (without accessories)

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