Rebound Concrete Test Hammer Big Memory for Civil Engineering / Construction

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Rebound Concrete Test Hammer Big Memory for Civil Engineering / Construction

 

 

 

 

Detailed Product Description

 

HT-225A is used for testing the strength of various concrete members (slab, beam, column, truss) of normal building strength and bridge.


DESCRIPTION:


When testing the strength of concrete, the concrete test hammer uses a certain elastic force to transit

the impact force of an impact hammer to the surface of concrete, its initial kinetic energy redistributes,

a part of energy in the form of plastic deformation or residual deformation is adsorbed by the concrete,

and another part of energy which is proportional to the surface hardness is transmitted to the impact

hammer, making the hammer resile to a certain height, then the strength of the concrete is derived from

the proportional relation between the height of resilience and the concrete strength. With the merits of simple structure, easy correction, maintenance and repair, and portability, the concrete test hammer is widely used in civil engineering and construction industry for testing the strength of concrete. Compared to other nodestructive testers, the concrete test hammer is an economical and practical nondestructive testing instrument. HT-225A is used for testing the strength of various concrete members (slab, beam, column, truss) of normal building strength and bridge.

 
Nominal kinetic energy:   2.207J(0.225kgf.m)
Flip tension spring rigidity:   7.84N (0.80kgf)/cm
Punch advance for impact hammer:  75mm
Impact surface hardness value between impact hammer and rod:   HRC59-63
Maximum breakout friction of pointer system:  0.49-0.78N(50-80g)
Mean-value of steel-anvil rating of concrete test hammer:  80+/-2
Standards: ISO/DIS 8045, EN 12504-2, ENV 206, DIN 1048 part 2, ASTM C 805,   ASTM D 5873, NFP 18-417, B 15-225, JGJ/T 23-2001, JJG 817-1993


Dimension: 60x280mm
Net weight: 1kg


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SINO AGE DEVELOPMENT TECHNOLOGY, LTD
Building 5, TEDA Raycom Park, No.12 Zhu Yuan Road, Beijing, China (Mainland)
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