The Cambridge MultiPass Rheometer (MPR)
Optical and X-ray measurements
A variety of test sections is available with the MPR, from capillaries or determining simple rheological parameters to zig-zag channels used in conjunction with the optical module to allow flow visualisation studies to be carried out. Any type of channel can be made for the MPR within the limits of manufacturing engineering.
The optical module allows the flow of the material within the test section to be observed concurrently with the rheological measurements. Such modules have been extensively used to carry out flow birefringence studies of polymer melts.
Recent development of the MPR has focused on improving three core areas: accuracy, flexibility
and speed.
The control software for the MPR developed by Omiga Technology comprises three elements:
User interface which runs on Microsoft Windows for ease of integration and transfer of acquired data
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National Instrument LabVIEW Real time for signal generation
Runtime data processing and LabVIEW FPGA for system control.
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