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20140320
Concrete Rebound Hammer Tester |
This instrument is in line with technical
regulations JGJ/T23-2001 ZC3-A type
of hammer used to detect 10-60Mpa within
the concrete compressive
strength, the system standard energy
of 2.207J, showing
the value of the system as
a pointer direct reading of
medium-sized Hammer by national
verification procedures "concrete
Test Hammer" (JJG817-93) and the industry
standard "rebound Method compressive
strength of concrete technical
regulations," the editor Unit - building
Science Research Institute of
Shaanxi Province producer.
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Features:
Hammer shell with special
treatment, high hardness, long-term use
of non-draw traces in raw
materials processing technology, precision
design
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Parameters:
1.Length of pointer: 20.0±0.2(mm)
2.Friction
of pointer: 0.65±0.15(N)
3.Sphere
semidiameter at the end of the flip rod: 25±1.0(mm)
4.Rigidity
of flip tensioned spring: 785.0±40.0(N/m)
5.Location
of flip hammer's hook release: "100" at the scale mark
6.Work
length of flip tensioned spring: 61.5.0±0.3(mm)
7.Strike
length of flip hammer: 75±0.3
8.Hop
location of the flip hammer: "0" at the graduated scale
9.Fixed
value of steel anvil: 80±2 (our products are controlled between 80-81)
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Item
included(239026):
1* Concrete Rebound Hammer Tester
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