Wipro RH-4 concrete hammer test RH4 alat uji beton manual RH 4 cek kekerasan beton

• Pointer Length : 20.0±0.2(mm) • Pointer Friction : 0.65±0.15(N) • Spherical Radius of the end of the Bounce Rod : 25±1.0(mm) • Bounce Tension Spring Stiffness : 785.0±40.0(N/m) • Bouncing Hammer Unhook Position : Tick Mark #34;100 #34; Score Line • Working length of Bounce Tension Spring : 61.5.0±0.3(mm) • Impact Hammer Impact Length : 75±0.3 • Bouncing Position of the Hammer : Scale #34;0 #34; Place • Anvil Rate Setting : 80±2 • Measuring : 47x35x22cm