Optical Contact Angle

OCA 50

The OCA 50 from Dataphysics is a fully automatic measuring instrument for analysis of wettability and surface energy of solid surfaces. The instrument has a motorized sample table that offers time saving and user friendly purposes during testing, even for large are wafers, all can be analyzed at the push of a button.


  • Sample table with motorized, software controlled X-, Y- and Z-axis
  • High performance 6-times zoom lens
  • Integrated continuous fine focus, and adjustable observation angle
  • Intuitive control panel with touch screen TP 50 for all electric components
  • Video measuring system with USB 3.0 camera
  • LED-lighting with manual and software controlled intensity including automatic temperature drift compensation