ZC3-A Concrete Rebound Hammer

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ZC3-A Concrete Rebound Hammer
Posting date : Dec 14, 2013
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84-
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Detailed Description
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. Features: l Portable and flexible; l Simple and convenient to use; l Adjustable friction of pointer; l Particularly used on the site to carry out non-destructive NDT test; 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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