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    Dynamic Shear Rheometer DSRDynamic Shear Rheometer DSRDynamic Shear Rheometer DSR

Dynamic Shear Rheometer DSR

AASHTO M320, AASHTO T315, AASHTO T316, ASTM D4402, ASTM D7175, ASTM D7405, EN 13302, EN 14770


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Dynamic Shear Rheometer DSR

Dynamic Shear Rheometers DSR performs the critical rheological characterization analysis required for SuperPave Performance Grade (PG) classification of asphalt binders. The DSR test uses a thin asphalt binder sample sandwiched between two circular plates; the lower plate is fixed while the upper plate oscillates back and forth across the sample to create a shearing action.

The 81-PV6102 and 81-PV6202 DSR models perform SuperPave performance grading according to AASHTO T315 and ASTM D7175, Multi Stress Creep Recovery (MSCR) according to AASHTO T350 and ASTM D7405, and they can perform viscosity determination of asphalt binder in according to AASHTO T316 and ASTM D4402 with dedicated accessory (on request).

DSR tests are conducted on unaged, RTFO aged and PAV aged asphalt binder samples. The binder behavior under various temperature and loading conditions is analyzed to predict its performance at anticipated climatic conditions.

The Dynamic Shear Rheometers DSR can be used as a part of your Superpave performance-based testing program.

Affordable, robust, and accurate, the new DSR offers the following benefits:

  • Great value — ideal for asphalt and bitumen QC laboratories at a very competitive price
  • Reliable and long-lasting — sturdy stainless steel construction
  • Simple to use with intuitive software guiding the user through the various test phases
  • Fully compliant, exceeding AASHTO, ASTM and EN Standards
  • Robust with excellent temperature stability and accuracy
  • Suitable to perform:
    • Performance Grade (PG) determination test
    • Determination of deformation properties of bitumen with Multiple Stress Creep Recovery test (MSCR – Test)
    • Determination of complex shear modulus G* and phase angle δ of road bitumen at different temperatures

Models

81-PV6102
Dynamic Shear Rheometer (DSR),standard model, conforming to EN 14770, ASTM D7175, ASTM D 4402, D7405, AASHTO TP70, T350, M332, T315, M320.110-230V/50-60Hz/1ph

81-PV6202
Dynamic Shear Rheometer (DSR),advanced model, conforming to EN 14770, ASTM D7175, ASTM D 4402, D7405, AASHTO TP70, T350, M332, T315, M320.110-230V/50-60Hz/1ph

RHEOMETER81-PV610281-PV6202
Torque Range0.1 to 150 mNm0.1 to 150 mNm
Torque resolution0.001 mNm0.001 mNm
Speed Range0 to 2000 rpm0 to 2000 rpm
Speed Resolution0.015 rpm0.015 rpm
Viscosity Range, RN general1 to 1 x 1010 mPas1 to 1 x 1010 mPas
Viscosity Range, plate P31 x 102 to 1 x 108 mPas1 x 102 to 1 x 108 mPas
Viscosity Range, plate P45 x 103 to 1 x 1010 mPas5 x 103 to 1 x 1010 mPas
Complex Shear Modulus, plate P30.1 to 2 x 104 kPa0.1 to 2 x 104 kPa
Complex Shear Modulus, plate P420 to 4 x 106 kPa20 to 4 x 106 kPa
Phase Angle Range0 to 90°0 to 90°
Frequency0.001 to 100 Hz0.001 to 100 Hz
Normal Force Range-30 to 30 N
Normal Force Resolution0.01 N
Automatic Gap SettingNoYes
Gap Resolution1 μm
TEMPERATURE CONTROL UNIT
Maximum Temperature150°C180°C
Minimum Temperature-10°C-15°C
Temperature Accuracy≤ 0.1 K
Range 5°C to 90°C
≤ 0.1 K
Range 5°C to 90°C
Interface USB 2.0 USB 2.0