Concrete Testing Equipment

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Concrete Test Hammer

We are offering nj-225 concrete test hammer. Brief introduction:the test hammer submits to standard of gbt9138-1988 and jjg817-93 and jgjt23-2001. Nj-225 concrete test hammer is applied to test the compressive strength of building concrete components, bridge and so on. Trait: 1center rod is made from imported material, high accuracy and durable resistance. 2the shell is made form high aluminum or high polymer material in order to perfect protect instrument from damage and extend use life. 3pointer slider 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, best price and longer use life. Parameter test range: 1060mpa standard impact energy: 2.207jstroke of rebound hammer: 75mmfriction of pointer slider: 0.5n0.8nsphere radius of rebound pole sr: 25mm1mmaverage rebound value on steel anvil rm: 802size: 54*278mmweight: 1kg

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