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The ViscoQC 300R Rotational Viscometer by Anton Paar provides rapid, reproducible, high-temperature viscosity measurements that correlate closely with the time-consuming AASHTO T 201 glass capillary method. The torque required to maintain a constant rotation speed of a specified spindle in the test specimen is measured and converted to dynamic viscosity.
ASTM and AASHTO rotational viscosity tests characterize asphalt binders and develop temperature/viscosity relationships to estimate optimum mixing and compaction temperatures for paving mixes. The chamber containing the specimen is temperature-controlled in a liquid or air bath while rotational forces are applied through the spindle.
The ViscoQC performs multi-point viscosity measurements from 100 to 40 million cP or mPa/s with an accuracy of ±1% and repeatability of ±0.2%. The rotational speed range is fully selectable from 0.01 to 250rpm, with 18 standard speed presets. Selectable operating modes allow customization of test methods. The ViscoQC can also perform speed or shear rate-controlled tests.
All measurement data, as well as programming functions, are displayed on the 7in full-color touchscreen in an intuitive user interface. As many as 999 tests with up to 10,000 sub-measurements are stored in memory for printing or exporting to a computer. Multiple languages are supported for data input and display. The instrument integrates into network Laboratory Information Management System (LIMS) or FTP Servers. The ViscoQC comes pre-assembled, and the setup takes just a few minutes. V-Collect software is a free download to print and export data as PDF or CSV files.
The ViscoQC Viscometer meets the requirements of ASTM D4402/AASHTO T 316 for rotational viscometer testing of asphalt when equipped with selected accessories:
Other accessories enhance the versatility and convenience of the viscometer.
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