On which basis spindle should be selected in case of viscosity determination by using Brookfield viscometer?
Dear Ravindra Ganpati Gaikwad, each spindle has a range of viscosity to work with, it is a matter of accuracy. Please search RG for similar questions, I have already uploaded interesting documents. My Regards
Hello Ravindra Ganpati Gaikwad ,
As Abdelkader says, each spindle has a viscosity range that it can cover at a particular shear rate. As a general rule of thumb, the lower the viscosity of the sample you're measuring, or the lower the shear rate that you want to measure viscosity at, the larger the spindle surface area needs to be. Or vice versa, for high viscosity materials, or getting higher shear rate data, the spindle needs to be smaller.
Here's a brochure with all of the spindles nominal ranges: spindles.pdf www.brookfieldengineering.com/-/media/ametekbrookfield/tech%20sheets/spindles.pdf?la=en
Best
Phil
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