A non-contact method for measuring viscosity and surface tension information of a liquid in a first liquid containment structure. The steps of the method include oscillating a free surface of the liquid in the liquid containment structure; detecting wave characteristics of the oscillating free surface;...http://www.google.fr/patents/US6925856?utm_source=gb-gplus-shareBrevet US6925856 - Non-contact techniques for measuring viscosity and surface tension information of a liquid
Non-contact techniques for measuring viscosity and surface tension ...
