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Penetrometers (Product# HU2796)

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A simple device for measuring entrained air. It is particularly designed for testing lightweight aggregate concrete. The meter uses the washout or rolling method. It is unnecessary to know anything about the weight or physical characteristics of the ingredients supposed to be in the mix. In contrast to their methods, commonly used to determine the percentage of entrained air, these methods is unaffected by changes in water cement ration, sand cement ratio, sand to gravel ratios, inaccuracies of specific gravity determinations and uncertainties as to absorbed or free water.

Product Specification
StandardsASTM C173
Approx Shipping Weight25 lb