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 |