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Strain Rheometer

MANUFACTURER TA Instruments (manufacturer's website)
RESTRICTIONS Specialist training is required for sample preparation and data analysis
TRAINING Training is required to use this item.
CALIBRATED Yes, this item is calibrated.
Last Calibration: 15th November, 2017
Next Calibration: 15th May, 2018
CUSTODIAN Giuseppe Forte
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SITE Holywell Park


Benchtop strain rheometer for measuring the flow and deformation behaviour of materials ranging from water to steel. Unique separate motor and transducer technology allow independent stress and strain measurements.

Independent key component control, fully integrated fast data acquisition, harmonic analysis, and intuitive TRIOS software allow measurements for viscosity and viscoelastic material characterisation.


  • UV curling
  • extensional viscosity fixture
  • dielectric and electrorheology.


Force/Torque Rebalance Transducer (Sample Stress)

Transducer TypeForce/Torque Rebalance
Transducer Torque MotorBrushless DC
Transducer Normal/Axial MotorBrushless DC
Minimum Transducer Torque in Oscillation0.05 μN.m
Minimum Transducer Torque in Steady Shear0.1 μN.m
Maximum Transducer Torque200 mN.m
Transducer Torque Resolution1 nN.m
Transducer Normal/Axial Force Range0.001 to 20 N
Transducer BearingGroove Compensated Air

Separate Motor (Sample Deformation)

Maximum Motor Torque800 mN.m
Motor DesignBrushless DC
Motor BearingJeweled Air, Sapphire
Displacement Control/SensingOptical Encoder
Strain Resolution0.04 μrad
Min. Angular Displacement in Oscillation1 μrad
Max. Angular Displacement in Steady ShearUnlimited
Angular Velocity Range1 x 10-6 rad/s to 300 rad/s
Angular Frequency Range1 x 10-7 rad/s to 628 rad/s
Step Change in Velocity5 ms
Step Change in Strain10 ms

Stepper Motor

Movement/PositioningMicro-stepping Motor/Precision lead Screw
Position MeasurementLinear Optical Encoder
Positioning Accuracy0.1 micron

Temperature Systems

Smart SwapStandard
Forced Convection Oven, FCO-150 to 600°C
FCO Camera ViewerOptional
Advanced Peltier System, APS-10 to 150°C
Peltier Plate-40 to 180°C
Sealed Bath-10 to 150°C


Forced Convection Oven, FCO | -150 to 600°C with Liquid Nitrogen feed. Parallel Plate fixtures of 8, 25, 40 mm. Cone/plate fixture of 0.04 rad and 25 mm. Torsion Rectangular Fixture

Future Upgrades

Item ID #1758.

Last Updated: 6th March, 2018

Strain Rheometer