KOSON KS-225T Rebound instrument of integrated digital display

KOSON KS-225T Integrated digital display Rebound instrument is used for non-damage inspection and evaluation of hardened concrete compressire strength in building structures. Nominal kinetic energy 2.207J, spring stiffness 7.85N/cm, Impact hammer stroke 75mm, rebound value Steel anvil rate constant average 80 +/- 2