The Procurement Of A Dynamic Shear Rheometer For Characterizing Bitumen And Similar Materials in India

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The Procurement Of A Dynamic Shear Rheometer For Characterizing Bitumen And Similar Materials Motor technology: Drag cup motor or EC motor 2. Motor bearing: Air bearing or Magnetic bearing 3. Minimum torque in rotation should be 5 nN.m or better. 4. Minimum torque in oscillation should be 5 nN.m or better. 5. Maximum torque should be 200 mN.m or better. 6. Torque resolution should 0.1 nN.m or better. 7. Angular velocity range: 0 to 300 rad/s or better. 8. Frequency range: 10-7 to 100 Hz or better. 9. Displacement resolution: 10 nrad or better 10. Normal force range: Up to 50 N or better with resolution 1 mN or better. 11. Measurement type: Rotational, Oscillatory and Transient 12. Oscillatory modes: Control stress and strain 13. Gap control: A high-resolution linear position sensor must measure and compensate for thermal expansion effects in real time, ensuring accurate gap compensation (true gap / true position) and eliminating errors

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