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Concrete Inspection >
Hardness Test Hammers > Elcometer 181
 This simple to use 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 the correlations available on the hammer, gives the compression resistance value in respect of the impact angle.
- Impact Energy 2.207 Nm
- Supplied with abrasive stone to prepare test surface
- Aluminium body
- Rebound value indicated on test hammer
- Rebound value chart on body, for quick calculation of compressive strength
- Curve selection on chart dependant on testing angle
The concrete hammer is supplied with plastic carrying case, grinding stone, calibration certificate and instructions.
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