Product Name
High strength concrete digital rebound instrument
Nominal kinetic energy
4.5J
Spring stiffness of spring
900±40N/m
Working length of tension spring
106±0.5mm
Spring stretching length
100±0.5mm
Impact spherical radius
R35±1mm
Pointer friction force
0.65±0.15N
Fixed value of steel anvil rate
88±2
Consistency of indication values
≤±0.5
Working temperature
-4℃~+40℃