MORTAR TEST HAMMER Technical Specification: Measuring range – 1 ~ 25 MPa Impact energy -0.196 J Spring extension – 75 ±0.3mm Friction of pointer system – 0.5 ±0.1Nm Length of pointer – 20.0 ±0.2mm Radius of spherical tip – 25 ±1.0mm Working length of the spring – 61.5 ±0.3mm Mean value of steel-anvil rating – …



