Sysmex Nederland

Krüss DSA100

  • Modular, flexible and upgradeable design with high level of automation
  • High resolution USB3.0 camera
  • Manual or software controlled single direct and multi dosing system up to 8 liquids
  • Manual or automatic X-Y-Z axes (max.Y travel distance 350 mm)
  • Calculation of surface free energy, work of adhesion and wetting envelopes


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The universal, high-quality instrument for analyzing wetting and coating processes

The Drop Shape Analyzer - DSA100 is our high-quality system solution for almost all tasks in the analysis of wetting and adhesion on solid surfaces. From the basic unit for precise measurement of the contact angle to the fully automatic expert instrument for serial measurement of surface free energy (SFE) we have the suitable DSA100 for your special requirements. We exactly match the individual, flexible and reliable components to your surfaces and processes.

Flexible solutions for your tasks
Krüss has developed all components of the DSA100 to provide solution-oriented support in the investigation and optimization of wetting and adhesion behavior. With up to three axes for sample positioning, the sample is moved quickly and reproducibly to the measuring positions. Measurement of the contact angle with up to 8 liquids ensures maximum accuracy when determining the SFE. The pressurized double-dosing unit allows measuring the SFE extremely fast and reliable, using our novel, scientifically validated dosing technique, the Liquid Needle.

Comprehensive analysis of solids and liquids
DSA100 measures the surface tension of liquids using the Pendant Drop method. The results can be used to analyze the relationship between the wetting of the solid and the liquid properties. The results help to provide a scientific picture of the interface contact, which can be used, for example, to optimize the adhesion and long-term stability of coatings. Other solutions for measuring the liquid-liquid interfacial tension, for measurements at high pressures and for surface rheology make the DSA100 a universal instrument for interface research

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Camera system
160 fps at 1200 x 1200 px
320 fps at 1200 x 600 px
600 fps at 1200 x 300 px
1440 fps at 1200 x 100 px
2300 fps at 1200 x 50 px

up to 3400 fps at 640 × 50 px

Focus: Manual or Software-controlled
Zoom: 7× zoom, manual or software-controlled
View angle: ±4°

Sessile drop/captive bubble
Result: Contact angle
Range: 0 to 180°
Resolution: 0.01°
Accuracy: 0.1°

Pendant drop/rising drop (optional)
Result: Interfacial and Surface tension
Range: 0.01 to 2000 mN/m
Resolution: 0.01 mN/m
Accuracy: 0.3 mN/m

Sample dimensions
Maximum sample space (without axes): 320 (W) × ∞ (D) × 275 (H) mm

Temperature control
Devices: Temperature-controlled sample stage, chambers, cuvette
Type: Liquid, electrical, Peltier
Range: -30 to 400 °C (Depending on temperature chamber)
Maximum sample space:  132 (W) × 132 (D)× 27 (H) mm 
Resolution: 0.1 K
External circulator: With liquid
Inert gas: Yes

555 (W) × 375 (D) x 490 (H) mm

Weight (without accessories)
24 kg

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Krüss DSA100 Brochure

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