HT-225A concrete rebound test hammer

Specifications

1. Model HT 225A

2. Nominal kinetic energy 2.207J(0.225kgf.m)

3. Flip tension spring rigidity 7.84N (0.80kgf)/cm

4. Punch advance for impact hammer 75mm

5. Impact surface hardness value between impact hammer and rod HRC59-63

6. Maximum breakout friction of pointer system 0.49-0.78N(50-80g)

7. Mean-value of steel-anvil rating of concrete test hammer 80+/-2

8. 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

9. Dimension 60x280mm

10. Net weight 1kg