Mechanical schmidt concrete rebound test hammer ( HT-225A )
HT-225A is used for testing the strength of various concrete members (slab, beam, column, truss) of normal building strength and bridge.
Specifications:
| Model | HT-225A | 
|---|---|
| Testing range: |  			 0-70N/mm2  |  		
| 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 |  			 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 |  			 60x280mm  			 |  		
| Net weight |  			 1kg  			 |  		
Standard package - HT-225A
HT225A main unit 1
 Grinding wheel 1
 Screw driver 1
 Spring 1
 Operation manual 1
 Carrying case 1






