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Contact angle and absorbency measure-ments are easily performed with the FTÅ200. The system has several features designed specifically for these measurements: · fast image acquisition: 60 images/second · long movies: typically up to 200 images · flexible image timing: linear/non-linear · synchronization: fiber optic drop sensor Fast image acquisition does two things: it allows the instrument to capture extremely rapid absorptions, such as acetone and other solvents, into the sample, and it permits one to accurately determine when the drop settled on the specimen and began absorbing. Long movies, a unique feature of the FTÅ200, permit the entire process to be captured with-out sacrificing the details at the beginning. The instrument has another unique
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