Drop Shape Analysis System DSA100S

Drop Shape Analysis System DSA100S
Drop Shape Analysis System DSA100S

Drop Shape Analysis System for simple automatic contact angle measurements

The DSA100S is custom-made for the user who needs to determine contact angles and surface free energies on different solids with a high degree of accuracy. In addition, it can also be upgraded to form a fully automated measuring system.

Configuration of the DSA100S

Dosing

Software-controlled single direct dosing system

Camera

Standard camera
61 fps (780×580 px) respectively
311 fps (780×60 px)

Optics

Manual zoom / focus

Illumination

Software controlled illumination

Axis

One manual z-axis
Two manual  x/y-axis with 100 mm movement range

Stage

Standard stage

Software

Software to determine static and dynamic contact angles
Software to determine surface free energy of solids

Technical Data of the DSA100S

Max. sample size (WxDxH)

300 x ∞ x 150 mm
(500 x ∞ x 150 mm for the long frame version)

Dimension of sample (LxW)

105 x 105 mm (Ø 300 mm)
(500 x 500 mm for the long frame version)

Range of contact angle measurements *

  • 0 to 180°
  • 0.1° resolution

Optics

  • 7-fold zoom
  • FOV 4 -28.13 mm diagonal
  • Stray light compensation 
  • Integrated focus module 
  • High-performance-vario-field ilumination 
  • Viewing angle alignment without shift of image
  • Patented construction of the optics

Video systems

  • 61 fps (780×580 px), 311 fps (780×60 px)
  • 1000 fps optional 
  • Online max. 100 evaluations / second
  • Video sequences (duration depending on RAM)
  • Automatic software trigger for evaluation / recording

 

Software 

5 different methods of drop shape analysis for Sessile Drop, automatic baseline for contact angle between 0 to 180°, option for curved baseline, video sequence, procedure definition, autodrop delivery, calculation of surface free energy according to Fowkes, extended Fowkes, Wu, Zisman, Owens-Wendt-Rabel, van Oss & Good, Neumann, calculation of Wetting envelopes, etc…

 

Temperature  range

-60 to 400°C

Dimensions (WxDxH)

620 × 380 × 610mm (954 x 380 x 610 for the long frame version)

Weight

25 to 45 kg

Power supply

110 to 240 VAC

Interfaces

Optional connection to USB port of PC via adapter

* Referring to image analysis