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Product Introduction
ZC3-A Concrete Rebound Hammer is used to test the concrete comprehensive 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
|
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