Model SVT 25 -Spinning-Drop-Tensiometer

The SVT 25 spinning-drop-tensiometer is an optical instrument for measuring low to ultra-low interfacial tensions and for investigating interfacial rheological properties. Ultra-low interfacial tensions occur particularly in microemulsions, which are used, among other things, in enhanced oil recovery (EOR).

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drop tensiometer

tensiometer

measurement of ultra-low interfacial tensions based on the contour of rotating drops according to the models of Vonnegut, Cayias-Schechter-Wade or Young-Laplace
highly dynamic measuring drive with 0 to 20000 rpm
oscillation measurements with oscillation periods of 0.5 s to ∞ and a maximum acceleration of 500 revolutions/square second
motorised tilting table
fast lens with 6.5x zoom and integrated, continuous fine focus
motorised optic alignment for automatic tracking of moving drops
high-performance camera with USB 3 interface, 2/3″ sensor, up to 2048 x 1088 pixels, and up to 3250 frames/s
precise and quick capillary exchange system
temperature-controlled measuring chambers able to set temperatures between -30 °C and 180 °C
special capillary for water-based samples at temperatures up to 130 °C
automatic calibration function to correct optical distortion caused by the capillary’s cylindrical lens effect
TP 50 control panel with touch screen and precision control wheel included

Model SVT 25 -Spinning-Drop-Tensiometer

Features of the SVT 25 Spinning-Drop-Tensiometer