The outstanding versatility of Sigma 700 and 701 force tensiometers makes them suitable for research and development, industrial quality control, routine measurements as well as academic research. Both instruments are computer controlled and have a high level of automation.
- High precision microbalance and mechanics
- All-inclusive OneAttension software for efficient and convenient operation and data storage
- Fully automated measurements avoids user variation and saves time
- Wide range of measurement modes for efficient instrument use
- Ergonomic and open design for easy access to the different parts of the instrument.
Force tensiometers enable precise characterization of a number of material properties. Analysis of surface and interfacial tension, powder wettability, dynamic contact angles, critical micelle concentration, density and sedimentation provides valuable information on the interactions between gas, liquid and solid phases. These interactions play a key role in studying:
- Surfactant development
Sigma 700 and Sigma 701 are state-of-the-art force tensiometers that are able to perform a wide range of measurements and adapt to a great variety of experimental settings. This versatility makes them suitable for research, development, industrial quality control and educational use.
The highly sensitive instruments offer high precision surface and interfacial tension measurements (Platinum Du Noüy ring, Platinum Wilhelmy Plate, Platinum rod). They also offer fully automated critical micelle concentration (CMC) determination and measurement of dynamic contact angle, surface free energy, powder wettability, sedimentation and density.
Sigma 700 and 701 are computer-controlled instruments operated with OneAttension software. The software provides a high level of automation, live analysis capability, multiple measurement options as well as a logical and friendly user interface. At present, there is no equivalent on the market.
Sigma 700 is a multipurpose tensiometer well suited for dynamic contact angle and wettability measurements of heavy solids and powder samples. It has an auto-calibrating microbalance that measures over a wide range and can take a maximum load of 210 g.
Sigma 701 is also a multipurpose tensiometer equipped with a different microbalance that measures in a narrower weight range with high sensitivity. It has a maximum load of 5 g. The sensitivity of Sigma 701 makes it optimal for dynamic contact angle measurements of fibers.
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