Asphalt dynamic shear rheometer
This world renowned Bohlin asphalt rheometer DSRII is the industry standard dynamic shear rheometer for SHRP and AASHTO asphalt testing. Developed in close cooperation with SHRP researchers, this asphalt rheometer offers precise and accurate unattended operation. It has been designed to minimize the time required to make each measurement according to AASHTO TP5.
Temperature Control - Bohlin's pioneering design
Bituminous materials are extremely temperature sensitive. Small temperature gradients in the sample and errors between the sensor temperature and the mean sample temperature can render rheological data unreliable.
To overcome this problem, the Bohlin DSRII uses a patented system which completely immerses the sample in a temperature controlled fluid, complying fully with the SHRP testing protocol.
Click here to contact usGap Setting - Simple and thermally stable
The gap can easily be changed to any required value and does not require continual resetting, thus optimising sample throughput and eliminating operator error. There is a choice of mechanical or air bearing
Software - Routine and Research
The standard Windows software is easy to use for specification and grade determination testing. Optional research software is available for expansion into a full research grade unit.
The following tests are available:
- Oscillation as a function of time, temperature, frequency and shear stress.
- Viscosity as a function of shear rate, shear stress, temperature and time.
- Creep and Creep Recovery (for compliance measurement and analysis).
- Time Temperature Superposition and Viscoelastic Analysis.
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