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Zahn viscosity flow cups.
Use the included formula to convert seconds.
The ez viscosity cup series is a logical and necessary outgrowth of the standardization studies on the zahn signature and similar cups for the promotion of this most popular type of viscosity measuring instrument as a national and international standard.
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The zahn viscosimeter is a bullet shaped corrosion resistant stainless steel cup with a precision drilled orifice.
The size of the hole is in mm and a zahn 4 means a zahn cup with a 4mm hole.
Also known as zahn cups these testers let you calculate viscosity based on the speed at which a liquid drains through a cup with a hole at the bottom.
The principle operation of a zahn cup is resistance to flow.
A preset volume of fluid draining through a set hole size.
The zahn cup s reading could be less sensitive than an automated viscometer employing a higher shear methodology.
Vtsyiqi 1 zahn cup stainless steel zhan viscosity cup with 1 zahn cup viscosity cup viscometer flow cup 1 brand new 44ml cup volume white.
Different cups have different shapes and hole sizes and because times too short or too long are unsuitable for any given viscosity there is an optimum cup with times in the 15 60s range.
The only forces at work are gravity causing the flow and the hole size and gauge of the cup.
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