9/4/2023 0 Comments Zahn cup 2![]() The second shown is the time of the liquid flow, which is also the flow viscosity of that liquid.Įach Zahn cup has its own coefficient “K”, which is marked on the cup body. Fact Viscosity=Testing viscosity×K. As soon as there is a first “break” of the flow, stop the stopwatch. Immediately start the stopwatch when the finger is released. Prepare a Digital stopwatch and set zero. ![]() A ring at the Zahn Cup handle allows the cup to be hanged perpendicularly(still with the finger stopping any liquid flow out). It is done by filling up the volume of Zahn Cup with the required liquid and then placing an index finger over the orifice to stop any flow out of the liquid. Their orifice diameters are set at the factory for appropriate results with applicable NIST traceable Newtonian oils. Simply fill the cup by immersing it in the test liquid. At the center of this handle is a finger-ring for holding the cup in a vertical position during use. Easily measure viscosity using an EZ viscosity cup and a stopwatch. Engineered in accordance with international test standards. Reliable performance & High repeatability. The Stainless Steel Cups are molded precisely and the orifices are precision drilled using high-speed CNC drilling.Įach cup has a 12-inch loop handle to allow the cup to be dipped by hand into a liquid container. 12' Handle with Ring to ensure the Zahn Cup remains at level. They are produced according to ASTM D 816, ASTM D 1084,and ASTM D 4212.
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