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    VROC® Initium vs Alternative Instrument

     

    The Initium is noticeably remarkable when compared to alternative viscometers in the market. Unlike most viscometers, VROC® initium is incorporated with MEMS and microfluidic technologies and measures the absolute viscosity as well as intrinsic viscosity. It provides unmatched accuracy and repeatability and offers many advantages conventional high-throughput viscometers are ill equipped to match.

     

     

     

     

     

    VROC® Initium provides: 

    • Absolute viscosity measurements (first principle) 
    • Shear rate & temperature sweep
    • Sample retrieval and recovery 
    • Unattended self-cleaning
    • High return on investment
    • Repeatability & confidence in measurements

     

     

     

     

     

     

     

    Image 1:  Fully automatic viscometer

    Image 2: Significantly easy to use software includes real time data

    Image 3: Fast temperature sweep with rapid temperature control & sample retrieval

     

    Flow Mechanism:

    Principle:

    Viscosity:

    Viscosity Range:

    Particle Size:

    Controlled Shear Rate?

    Shear Rate Sweep?

    Shear Rate Range:

    Temperature Sweep:

    Temeprature Range:

    Temperature Control Rate:

    Sample Retrieval?

    Sample Recovery?

    Accuracy:

    Repeatability:

    First Principle: 

    VROC Initium

    Positive Pump

    Microslit Flow 

    Absolute

    0.4 ~ 1000 cP**

    Yes. Intrinsic viscosity

    Yes

    Yes

    25 ~ 100,000 s¯1

    Yes

    4 ~ 70 °C

    2.5 °C per minute 

    Yes

    Yes

    2% of Reading

    0.5% RSD

    Yes 

    **Viscosity range up to 10,000 cP with modifications to flow rate,

    Other Automatic Viscometers

    Pressure driven

    Time of Flight

    Relative

    0.9 ~ 50 cP

    Yes. Diffusitivity

    No

    No

    No specification

    No

    4 ~ 40 °C

    No Specification

    No

    No

    5.5% of Reading

    2.5% RSD

    No
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