For the non-destructive testing of the surface of hardened concrete in order to evaluate the strength in various parts of a structure. The concrete hammer is supplied complete with carrying case, grinding stone, and instruction manual.Technical Details:-Measuring strength ranges - 1.0-25MpaNormal impact energy - 0.196J(0.02kgf.m)Strike hammer stroke - 75mmThe friction force of pointer slider - 0.5±0.1NSpherical radius of strike rod - 25mmThe rebound values calibrated on steel anvil - 74±2Dimensions - Dia.54×268mmGross weight approx - 1.6kg
