Torsion Spring Constants
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Torsion Spring Constants

Dead Weight calibration checks help maintain the accuracy of the torque measuring system on all Viscometers. Quickly determine the condition of bearings and the accuracy of torsion spring setting. Kit includes support bracket, spool for bob-shaft, 5 metric weights, spare thread, instructions, and case.

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  • TSC
  • RIGCHINA

Dead Weight Calibration Check Kit

 

Dead Weight calibration checks help maintain the accuracy of the torque measuring system on all Viscometers.  Quickly determine the condition of bearings and the accuracy of torsion spring setting.  Kit includes support bracket, spool for bob-shaft, 5 metric weights, spare thread, instructions, and case.


Model RC-35D Viscometer

Torsion Spring Constants

 

Torsion Spring

assembly

Torsion Spring Constant

k1 (dyne-cm/deg. defl)

F

Factor

Maximum Shear Stress

With B1 Bob (dynes/cm2)

Color

Code

F0.2

77.2

0.2

307

Green

F0.5

193

0.5

766

Yellow

F1

386

1

1,533

Blue

F2

772

2

3,066

Red

F3

1,158

3

4,600

Purple

F4

1,544

4

6,132

White

F5

1,930

5

7,665

Black

F10

3,860

10

15,330

Orange