Concrete Hammer (HT-225A)

Specifications
Nominal kinetic energy: 2.207J(0.225kgf. M)
Flip tension spring rigidity: 7.84N (0.80kgf)/cm
Punch advance for impact hammer: 75mm
Impact surface hardness value between impact hammer and rod: HRC59-63
Maximum breakout friction of pointer system: 0.49-0.78N(50-80g)
Mean-value of steel-anvil rating of concrete test hammer: 802
Standards: ISO/DIS 8045, EN 12504-2, ENV 206, DIN 1048 part 2, ASTM C 805, ASTM D 5873, NFP 18-417, B 15-225, JGJ/T 23-2001, JJG 817-1993
Dimension: 60x280mm
Net weight: 1kg