Digital concrete test hammer

Measuring ranges 10-60MPa
Impact energy 2.207±0.1J(0.225Kgf.m)
Length of spring stretch 75±0.3mm
Tension spring stiffness: 785 N/m
The static friction
of pointer slider 0.65N±0.15N
Radius of spherical tip 25mm±1mm
The average rebound values on steel anvil 80±2
Data storage capacity 200 standard components
Power supply 1*5# Ni-MH rechargeable battery
Housing dimensions F54*280mm
Weight ˜1kg
Digital concrete test hammer