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m-VROC® Viscometer vs. Cone & Plate Rheometer

A comprehensive comparison study of VROC® technology powered viscometer and cone & plate rotational rheometer measurements. Viscosity of monoclonal antibodies Figure 1. Comparison for the viscosity of monoclonal antibodies measured with m-VROC® viscometer and Cone & Plate rheometer [1].

In this application note, we present three sets of data supporting excellent correlation between cone & plate rotational rheometers and m-VROC® viscometers for the measurement of viscosity as a function of shear rate. Additionally, a brief description of the most important features and major differences between these two instruments is provided.

m-VROC® key features include:

  • Accuracy: 2% of Reading
  • Repeatability: 0.5% of Reading
  • Small Sample Volume: 20 µL
  • Shear Viscosity Range: 0.2 - 100,000 mPa-s
  • Shear Rate Range: 0.5 - 1,400,000 1/s
  • Temperature Control: 4-70°C


Zarraga et al., Journal of Pharmaceutical Sciences, vol. 102, no. 8, 2013.


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VROC® initium

The ultimate viscosity fingerprint automatic viscometer!

Learn more about RheoSense's newest viscometer VROC® initium. This instrument enables automatic viscosity fingerprint characterization of your formulations.

VROC® initium features:VROC initium - The ultimate automatic viscometer

  • High Throughput Viscosity Screening
  • Smallest Sample Volume: 10 µL
  • Unattended loading, testing, cleaning and drying
  • Compatible with 40 vial rack and 96 well plate

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