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Concrete Test Hammer
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The Concrete Test Hammer is an instrument
which is easy to use, for quick and approximate measurement
of the resistance to pressure of manufactured concrete products.
The principles on which it works are based on the rebound impact
of a hammer on a piston which rests against the surface of the
concrete products. The Greater the resistance of the concrete,
greater is the rebounded impact. By reading this rebound impact
on a scale and relating it to curves on graphs supplied with
the instrument, the resistance to compression in MPa or PSI
can be read.
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