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The Leading Automatic, High Throughput  Viscometer
VROC® initium one plus

Characterize your unique samples with Viscosity Fingerprinting

  • Automatic viscosity measurements
  • Samples as small as 19 µL
  • Retest and retrieve your samples
  • Newtonian & non-Newtonian
  • High shear rates

Your Workhorse for Viscosity
Fingerprinting
Automatic Viscometer/Rheometer

Analyze the viscosity of your precious samples 24/7. Custom as well as routine testing enabled at your fingertips

  • Sample volume as low as 19 μL
  • Viscosity Ranges: 0.3 – 1,000 mPa-s (with autosampler)
    0.3 - 3,000 mPa-s (with manual syringe)
  • Shear Rate Range 40 – 140,000 1/s
  • Temperature Range 4 - 70°C
  • Repeatability: 0.5% of reading
  • Accuracy: 2% of reading

  • Power: AC 115V/230V~, 50/60Hz, 150W (max)
  • Width: 715 mm
  • Length: 373mm
  • Height: 724 mm
  • Weight: 22 kg
  • CE and UL Certified

 

VROC™  INITIUM ONE PLUS  YOUR VISCOMETERY WORKHORSE

VROC initium one plus is the leading automatic viscometer that measures true viscosity with the highest accuracy and repeatability. Its superior resolution is revolutionizing characterization of Newtonian and non-Newtonian samples

Fully Automatic
Newtonian & Non-Newtonian Characterization
Up to 4 samples per hour
Standard 96 Well Plate or 40 Vial Rack
Temperature controlled sample storage: 4- 40 ° C
Shear Rate Sweep
Temperature Sweep
Effect of Concentration, pH, & Buffer

 

This product can be configured based on your applications and there are multiple chip options you can choose from. Here is the chip selection guide!

 

Understanding Fluid Behavior — Measuring Absolute Viscosity

With VROC® Technology, RheoSense took the standard principles of rheometry and created a dynamic micro-sample viscometer by adding microfluidics while reducing the size of the device with MEMS (micro-electrical mechanical systems) manufacturing. The result was a new platform which offers capabilities that are well beyond the limits of conventional viscometers in not only the sample volumes required, but the measurement range and precision.

VROC Viscometer Rheometer on a Chip

Scientific Principle

The measuring cell or “chip” contains a rectangular slit flow channel constructed of borosilicate glass, with a uniform cross-sectional area. The sample is injected at a constant flow rate though the flow channel where multiple pressure sensors mounted within the base monitor the pressure drop from the inlet to the outlet. The pressure drop is correlated with the shear-stress at the boundary wall. The shear rate and shear stress are directly related to the geometry of the rectangular slit and the flow rate which allow for viscosity measurements. 

Read more on our technology page!

VROC™  INITIUM ONE PLUS  YOUR VISCOMETERY WORKHORSE

Industries

Applications

e-VROC™ VISCOMETER — EXTENSIONAL VISCOSITY 

Enzymatic Reaction Kinetics
Molecular Weight & Size
Solubility
Protein Stability
Cell Culture
Viscosity-Injectability
Ophthalmic Solutions

 

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