AL-20/OL-55

Volumetric tensiometers
Attension volumetric tensiometers are used in quality control and process control to monitor surface tension in water-based liquids. Surface tension is a function of chemical concentration in the water, for example detergent surfactants.

AL-20/OL-55
AL-20 and OL-55 are volumetric tensiometers (stalagmometers) used in quality control and process control to monitor surface tension in water-based liquids.