Elcometer 181 Mechanical Concrete Test Hammer
The Elcometer 181 Mechanical Concrete Test Hammer provides a quick, simple and inexpensive method for non-destructive evaluation of the compression strength of concrete and other masonry materials. These are the most common and widely used non-destructive testing instruments for concrete compression strength evaluation and Elcometer offers both mechanical & digital models. This gauge consists of a spring-loaded plunger which when released strikes the surface with fixed and constant impact energy. During the rebound stroke, the mass moves a pointer that indicates the maximum point of return and at the same time indicates a reference value called Rebound Number. This number, converted by correlations available on the hammer, gives the compression resistance value in respect of the impact angle.
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