Beschrijving
536 20 Micro Ubbelohde viscometer (DIN) is a precision glass capillary instrument calibrated for manual kinematic viscosity measurements. Equipped with capillary number II and a constant K of 0,1, this micro-scale Ubbelohde design enables accurate determination of flow times for small sample volumes in accordance with DIN requirements. The instrument supports standardised laboratory workflows in quality control, research and industrial fluid characterisation where reliable viscosity data are essential. Supplied as 1 pc with a net weight of 0,275 kg, it integrates readily into manual measurement setups that rely on gravity-driven capillary flow. Produced by SI Analytics - a Xylem brand, the 536 20 model belongs to an established series of precision viscometers. Its micro configuration reduces sample consumption while retaining the classical Ubbelohde measurement principle. Laboratories working with polymers, oils, solvents or other Newtonian fluids benefit from the defined capillary geometry and fixed constant when converting measured efflux times into kinematic viscosity values under controlled temperature conditions for routine or specialised testing.
This article is part of Viscometers, in Density & viscosity measurement.
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Questions about 536 20, Micro-Ubbelohde viscometer (DIN), calibrated for manual measurements,
What is this article?
536 20, Micro-Ubbelohde viscometer (DIN), calibrated for manual measurements, is the article on this page. Luminix Health distributes SI Analytics - a Xylem brand for laboratory use. It sits in Viscometers, inside Dichtheids- & viscositeitsmeting, in Instrumenten.
A capillary viscometer times the flow of a liquid through a tube. A rotational viscometer twists a spindle in the liquid. Both need a stated temperature. Kinematic and dynamic viscosity are different numbers. The capillary size has to put the flow time in the range the method allows.
Density is mass divided by volume. A hydrometer floats at a depth that depends on the density of the liquid. A pycnometer is a vessel of known volume that is weighed full. Viscosity is the resistance to flow. A capillary viscometer times how long a volume takes to fall through a tube. Both measurements need a stated temperature, because liquids change density and viscosity as they warm. The units trace to the BIPM and to NIST.
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Shelves beside this one are Hydrometers and Dichtheidsmeters & pyknometers.
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