KSV´s Sigma 701 and 70 tensiometers are run by a powerful 32-bit software written in C++ for Windows  95/98/NT/2000. The format of the software is easily learned by all users due to the familiar point and click format of drop down menus, buttons and icons. The software included with this instrument allows the user to perform a variety of pre-programmed experiments which can be modified to your particular needs. A wide range of data points and measurement parameters are stored in a database and can easily be retrieved and analyzed later or exported to another data reduction software.

+ Surface and Interfacial tension

+ Dynamic Advancing and Receding Contact Angles (DCA)

+ Powder Wettability (contact angle of powders)

+ Single Fiber Wettability

+ Critical Micelle Concentration (CMC)

+ Adsorption Behavior of Solids

+ Surface Free Energy of Solids

+ Wetted Length of Solids

+ Density of Liquids

+ Surface and Interfacial Tension

+ Single or Repetitive Pull to the Maximum Force

+ Absorption as function of time

+ Density of liquids

The major parts of the program are the Main Menu, Experimental Setup, Experiments and Data Reduction and Analysis.

The core of the software is the Main Menu from which all other sections and programs can be accessed.

The Experimental setup includes information that is specific for every measurement. Once an experiment has been chosen various information and parameters are entered in the Experimental Setup. This helps to keep the data organized and makes it easier to search for a specific measurement afterwards.

The actual performance of the Experiments (Surface/Interfacial Tension, Contact Angle, Critical Micelle Concentration, Absorption, for example) occurs after the Experimental Setup has been filled out and the materials for the experiment are in place. Once the final experimental controls have been chosen the experiment is started. The experiment will then continue unsupervised until completion.

Windows for Experiment Software

After an experiment has been performed you can return to the data for further analysis in the Data Reduction and Analysis section. After selecting an experiment the data for that experiment will be displayed. There is an option of viewing and editing the Experimental setup which can be very helpful if the data produced should be recalculated based on new information about the materials involved. A variety of graphs for your data can be displayed and printed. Calculation of additional results and export of data can be done.

WIndows for Data Reduction Software

Example of Stored Data: Dynamic Contact Angle

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