TECHNICAL DATA :
- Model HT : 225A
- Nominal kinetic energy : 2.207J (0.225 kgf.m)
- Flip tension spring rigidity : 7.84N (0.80 kgf) / cm
- Punch advance for impact hammer : 75 mm
- 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 : 80+/-2
- 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 : 60 x 280 mm
- Net weight : 1kg
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