Best price sdigital rebound hammer for sale
The manual concrete test hammer, aka rebound hammer, schmidt hammer, swiss hammer, sclerometer, is the most widely used non destructive instrument for compressive strength determination. However, it typically has the largest efficient of variation; therefore its result should be verified with another non destructive test.
The parameters for concrete test hammer
|
1.Length of pointer |
20.0±0.2(mm) |
|
2.Friction force of pointer |
0.65±0.15(N) |
|
3.Spherical radius of bounce rod end |
25±1.0(mm) |
|
4.Stiffness of bounce tension spring |
785.0±40.0(N/m) |
|
5.Decoupling position of bounce hammer |
“100” on scale line |
|
6.Working length of bounce tension spring |
61.5.0±0.3(mm) |
|
7.Impact length of bounce hammer |
75±0.3 |
|
8.Takeoff position of bounce hammer |
“0” on graduated scale |
|
9.Fixed value of steel anvil |
80±2 (80-81 for our delivery products) |
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