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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.

Features:
Hammer shell with special treatment, high hardness, long-term use of non-draw traces in raw materials processing technology, precision design .

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)

Item included(239026):
1* Concrete Rebound Hammer Tester