Dynamic Shear Rheometer DSR

Dynamic Shear Rheometer DSR

The Dynamic Shear Rheometer DSR is mainly used to measure the rheological properties (complex shear modulus, phase angle, etc.) of asphalt binders
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Product Details

Standard: JTGE20-2011 T0628, ASTM P246, AASHTO T315-09


The Dynamic Shear Rheometer DSR is mainly used to measure the rheological properties (complex shear modulus, phase angle, etc.) of asphalt binders under high temperature. The SHRP Dynamic Shear Rheometer (DSR) is used to measure viscoelasticity of aged or unaged and modified or unmodified asphalt in the temperature range of 5-90 degrees. According to AASHTO MP1 method, the asphalt sample is placed between 25 mm/8mm circular plate clamps under specified temperature, and the complex shear modulus and phase angle of specimen is measured by applying a known torque.  


Technical Specifications 


Loading Mode: air bearing

Bearing: porous carbon magnetic thrust bearing

Minimum Oscillation Torque: 10nN.m

Minimum Steady-State Shear Torque: 20nN.m

Maximum Torque: 50N.m; 100N.m to 350N.m(200, 350 optional)

Torque Resolution: 0.1 mN.m

Frequency Range: 1.0E-07~100Hz

Angular Velocity Range: 0~300rad/s

Displacement Sensor: optical encoder

Displacement Resolution: 10nrad

Strain Switching Time: 15ms

Speed Switching Time: 5ms

Normal Force Sensor: HBM

Maximum Normal Force: 150N

Normal Force Sensitivity: 0.01N

Normal Force Resolution: 1mN

Peltier Board: -40~200℃

Dimension: 300*300*400mm

Weight: about 50kg


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