DataPhysics – SVT – Spinning drop video tensiometer

The spinning drop video tensiometers of the SVT series are special-purpose optical instruments for measuring extremely low interfacial tensions and rheological properties. This measuring technique offers unrivalled possibilities for the analysis of surfactant effectiveness in the development of emulsions or in the enhanced oil recovery.

Inquiry Now

Overview

Features

Specifications

Key Features

Spinning Drop Video Tensiometer

Measurement of low to ultra-low interfacial tensions based on the contour of spinning drops according to models by Vonnegut, Cayias-Schechter-Wade or Young-Laplace
Highly dynamic measurement drive with 0 … 20000 rev/min
Oscillation measurements with oscillation periods of 0.5 s …∞ and max. acceleration of 500 rev/s2
Motorised tilting table
Fast 6.5-fold zoom lens with integrated continuous fine focus
Motorised movable optics for automatically following moving drops
High-performance camera with USB 3 interface, 2/3″ sensor, max. 2048 x 1088 pixel, max. 3250 frames/s
Precise, fast and easy to use capillary exchange system
LED-lighting with strobe function and adjustable slit diaphragm
Temperature controlled measuring cells for temperatures ranging from -30 °C to 180 °C
Sspecial capillary for measuring water-based solutions at up to 130 °C
Automatic calibration function for correcting optical distortions caused by the capillaries (cylindrical lens effects)
TP 50 control panel with touch screen and precision control wheel