Specification of Hammer Test HT 255
Country Of Origin: China
The test hammer submit to standard of GB/T9138-1988 and JJG817-93 and JGJ/T23-2001. HT-225 concrete test hammer is applied to test the compressive strength of concrete building components, bridge and so on.
The test hammer submit to standard of GB/T9138-1988 and JJG817-93 and JGJ/T23-2001. HT-225 concrete test hammer is applied to test the compressive strength of concrete building components, bridge and so on.
Fiture:
Center rod is made from imported material, high accuracy and durable resistance
The shell is made form high Aluminum or high polymer material in order to perfect an instrument to protect from damage and extend the use life
The slider pointer is outside structure, its friction can be balance well and easy to be adjusted so that we can make sure that the instrument is accurate. Compared with other suppliers in the line of business, the product is more accuracy, good quality and best price and longer use life.
The shell is made form high Aluminum or high polymer material in order to perfect an instrument to protect from damage and extend the use life
The slider pointer is outside structure, its friction can be balance well and easy to be adjusted so that we can make sure that the instrument is accurate. Compared with other suppliers in the line of business, the product is more accuracy, good quality and best price and longer use life.
This specification, such:
Test range: 10 ~ 60Mpa
Standard impact energy: 2.207 J (0.225 Kgf m.)
Stroke of rebound hammer: 75 mm
Friction of the slider pointer: 0.5 N ~ 0.8
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