The Original Schmidt is the world’s first and most widely used instrument for non-destructive estimation of concrete strength properties, asphalt, mortar, rock and paper. It has become the basis of every major rebound hammer testing standard worldwide.
Type N Standard impact energy. Minimum thickness of test object: 100 mm (3.9”) and should be firmly fixed in the structure.
Type L Low impact energy. Suitable for brittle objects or structures less than 100 mm (3.9”) thick.
Impact Energy: 2,207 Nm (N), 0.735 Nm (L)
Concrete Compressive Strength Range: 10 - 70 N/mm2 (1,450 to 10,152 psi)