Attension® Sigma 700/701

Sigma Knowledge base

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Contact angle – What is it and how do you measure it?

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Product Brochure
Attension® Sigma Force Tensiometers

Attension® Sigma 700/701

Product Overview

The highly sensitive instruments offer high precision surface and interfacial tension measurements, fully automated critical micelle concentration (CMC) determination and measurement of dynamic contact angle, surface free energy, powder wettability, sedimentation, and density.

Automated Results

Fully automated measurements are just one click away

Versatility

All measurement modes are supported

Possible Measurements:
  • Surface tension
  • Interfacial tension
  • Critical micelle concentration (CMC)
  • Dynamic contact angle
  • Surface free energy (SFE)
  • Powder wettability (Washburn)
  • Adhesion force
  • Sedimentation
  • Density
Attension Sigma 700/701

Product Features

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.

Sigma 700

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

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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