Optical Contact Angle

OCA 25

The OCA 25 from Dataphysics is the all-around instrument to measure contact angle and drop shape analysis. It is also able to measure for special environment conditions, such as high temperatures, low or high pressures, especially for aeronautical or enhanced oil recovery research.


  • Sample table adjustable in all three axis with precision mechanics
  • High performance 6-times zoom lens
  • Integrated continuous fine focus, and adjustable observation angle
  • Video measuring system with USB 3.0 camera
  • LED-lighting with manual and software controlled intensity including automatic temperature drift compensation