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)