Determination of the plastic limit and plasticity index for soil The plastic limit is that moisture content of a soil at which it becomes too dry to be plastic, used together with the liquid limit to determine the plasticity index which when plotted against the liquid limit on the plasticity chart enables the classification of cohesive soils.
Xentaur Manufacturer of dewpoint hygrometers for the determination of trace moisture in gases and liquids. Product photos and specifications.
Delmhorst Instrument Co. Manufactures variety of meters for measuring and determining presence of moisture in wide range of materials. Applications include agricultural, paper, construction, leather, and woodworking industries.