Submit to GB/T9138-1988 technology regulation. The instrument is suitable for testing the strength of the large heavy concrete component especially the water conservancy project, sea port, railway tunnel, mine, bridge, overloading highway, airstrip and so on.
1. Center rod use imported material, high precision and wear proof.
2. Shell use super hard aluminums, protect instrument from damage on site work and prolong use life.
1. Standard impact energy: 29.43J（3Kgf.m)
2. Stiffness of tension spring: 1.6kg/cm
3. Sphere radius of rebound pole SR: 53mm±1mm
4. Average rebound value on steel anvil: 63±2
5. Size: 105×320×680mm
6. Weight: ：8Kg