ZC3-A Concrete Rebound Hammer

chinacoal07 ZC3-A Concrete Rebound Hammer
Keyword:hammer,rebound hammer,concrete rebound hammer
 

Product Introduction
 
ZC3-A Concrete Rebound Hammer is used to test the concrete compressive strength within the range of 
10~60Mpa. It consists of a spring-loaded steel hammer that when released strikes a steel plunger in contact with the concrete surface. 
The rebound number can be directly read on a linear scale.  
Main Parameter 
Standard energy 
2.207J
 
Length of pointer  
20.0±0.2mm
 
Friction of pointer 
0.65±0.15N
 
Radius of top of plunger
25±1.0mm
 
Rigidity of impact spring 
785.0±40.0N/m
 
Travel of impact spring
61.5±0.3mm
 
Position of releasing hammer mass
at the scale mark of “100”
 
Striking travel of hammer mass
75±0.3mm
 
Initial position of hammer mass
at the scale mark of “0”
 
Rebound number on anvil
80±2