However this is dependent on the range of the flow cup you are testing with, or the test method or standard you are working to. Well, if a preferred flow cup isn’t listed on the technical data sheet of the liquid you are testing, then typically you should select a cup that will give an estimated flow time of between 30 and 100 seconds. To test, you will need a flow cup, a flow cup stand, a glass plate and bubble level, a stopwatch, a thermometer with a liquid probe, and a container of your sample liquid - ensuring there is enough of a sample to more than fill the flow cup. And they are available in a range of designs in accordance with National and International Standards, with various orifice diameters to suit different viscosities. There are a number of ways to measure the viscosity of a liquid, one of which is flow cups.Ī flow cup is a cup of a specified size and volume, with an overflow channel at the top, and a hole of a defined size in the bottom. The viscosities of paints, varnishes, and oils for example can be typically measured as part of a series of tests to ensure they are fit for purpose. Contact Us Request a Catalogue Videos Service & Technical Support Extend Your Warranty Software Downloads Webinars International Standards Product ListĪbout Elcometer Enews Company Policies Terms & Conditions Quality & ISO Certification Exhibition Calendar Careers.These elements include, but are not limited to. 'Blast Hose, Nozzle Holders and Couplings Thermal equilibrium is the state at which every element of a viscosity measurement is at a unified temperature.
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