Description
Ubbelohde viscometer 100-1000 mm²/s is a DIN-type capillary instrument for determining kinematic viscosity in the measuring range 100–1000 mm²/s. It is size No. III with an internal diameter of 2,01 mm and a printed constant K of 1, supporting direct evaluation of flow-time data. The design follows ISO/DIN 3105, DIN 51502, BS 188 and KFT 60-100, so the printed constant is aligned with these recognised viscosity standards. Supplied uncalibrated and in a four-legged configuration, the glassware is intended for use in a thermostatic bath where stable temperature control is required for repeatable capillary measurements. This model from manufacturer Witeg is offered as a single piece with a net weight of 0,08 kg, making it straightforward to handle and store in routine laboratory workflows. The four-limb layout aids filling, timing and cleaning during serial determinations. Laboratories performing viscosity checks on Newtonian liquids within the stated range can integrate the instrument into existing Ubbelohde protocols without additional calibration at delivery. Clear size marking and the printed constant help reduce transcription errors when calculating kinematic viscosity from observed efflux times under controlled bath conditions.
This article is part of Viscometers, in Density & viscosity measurement.
Key features
- Pack size: 1 pc
- Type: Ubbelohde DIN, four-legged
- Size: No. III
- Measuring range: 100–1000 mm²/s
- Internal diameter: 2,01 mm
- Constant K: 1
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Questions about Ubbelohde viscometer 100-1000mm²/s
What is this article?
Ubbelohde viscometer 100-1000mm²/s is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Viscometers, inside Density & viscosity measurement, in Lab instruments.
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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The category is Density & viscosity measurement. The sub-category is Viscometers. The catalogue is Lab instruments.
Shelves beside this one are Hydrometers and Density meters & pycnometers.
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