Basic Info.
Product Description
Manufacturer, exporters and suppliers of concrete test hammer
brief introduction:
the test hammer submits to standard of gb/t9138-1988 and jjg817-93 and jgj/t23-2001. nj-225 concrete test hammer is applied to test the compressive strength of building concrete components, bridge and so on.
trait:
1)center rod is made from imported material, high accuracy and durable resistance.
2)the shell is made form high aluminum or high polymer material in order to perfect protect instrument from damage and extend use life.
3)pointer 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: 10~60mpa
 standard impact energy: 2.207j
 stroke of rebound hammer: 75mm
 friction of pointer slider: 0.5n~0.8n
 sphere radius of rebound pole sr: 25mm±1mm
 average rebound value on steel anvil rm: 80±2
 size: ï¿ 54*278mm
 weight: ≈1kg
Company Profile
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Business Type: |
Beijing naijiu weiye technology co., ltd is one unit of national high-tech enterprises (no.: gr201011000471) specializing on designing, developing and selling manhole cover, grate, scaffoldings, scaffolding coupler, concrete ndt (non destructive testing) equipments, construction instruments, material (concrete/cement/soil/asphalt) test equipment and the others building facilities. the company takes the science and technology as the guide, with strict management and strong research and development team. it is one of the units ministry of construction standard jgj 206-2010 , and qualified for iso 9001:2008 certificate. |
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Comapany: |
Beijing naijiu weiye technology co.,ltd |
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Address: |
No 186 litang road,changping dist |
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City: |
Beijing |
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Zip/Postal: |
102218 |
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State: |
Beijing |
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Country: |
China |
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