Description
BS/U-tube reverse flow viscometer A is a precision glass capillary instrument for kinematic viscosity determination in the measuring range 0,9–3 mm²/s, with constant K = 0,003. Designed according to established reverse-flow U-tube geometry, it is intended for transparent and opaque liquids where reliable, repeatable viscosity data are required. Each unit is supplied with a factory calibration certificate and conforms to BS and ASTM D445-446 as well as ISO 3104-3105, supporting standardised laboratory and quality-control workflows. The compact instrument has a net weight of 0,1 kg and is delivered as a single piece from manufacturer Irmeco. Suitable for petroleum products, process fluids and research samples, this type-A viscometer provides the narrow low-viscosity window needed for fine discrimination of flow behaviour. Its calibration traceability and recognised standard compliance make it a practical choice for routine viscosity testing in analytical and industrial laboratories.
This article is part of Viscometers, in Density & viscosity measurement.
Key features
- Pack size: 1 pc
- Product type: BS/U-tube reverse flow viscometer A
- Measuring range: 0,9–3 mm²/s
- Viscometer constant: K = 0,003
- Calibration: Factory calibration certificate included
- Standards: BS, ASTM D445-446, ISO 3104-3105
- Technical Information Sheet:
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Questions about Viscometer
What is this article?
Viscometer is the article on this page. Luminix Health distributes Irmeco 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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Shelves beside this one are Hydrometers and Density meters & pycnometers.
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