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Digital Test Hammers for the quick and easy determination of the strength of concrete, and hardness of construction materials. Digital functions allow greater number of test, leading to better quality tests. Conforms to ASTM C-805 and other International Standards.
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Manual Test Hammers provide the most economical, quick and easy concrete compressive strength test in the field. It will also provide an indices of hardness and compressive strength for other construction materials. Conforms to ASTM C-805 and other International Standards.
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It is recommended that calibration of the rebound hammers be checked regularly usually after about 2000 strokes.The James Calibration Anvil (W-C-7312) has been designed for just that purpose.
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