Description
Cannon-Fenske Routine viscometer type 75 is a precision glass capillary instrument for kinematic viscosity determination in the measuring range 1,6–8 mm²/s, with viscometer constant K = 0,008. Each unit is supplied with a factory calibration certificate and supports testing in accordance with ASTM D445-446, ASTM D2515 and ISO 3104-3105. The classic Cannon-Fenske U-tube geometry allows straightforward sample filling and accurate timing of liquid efflux through the calibrated capillary, so kinematic viscosity can be calculated directly from flow time and the stated constant. Offered as a single piece with a net weight of 0,1 kg, the instrument suits routine quality-control and research laboratories working with transparent Newtonian liquids of moderate viscosity, such as light lubricating oils, intermediate process streams and formulated solutions. Instruments of this design from manufacturer Irmeco are used wherever standardised viscosity data are needed for product release, formulation or method development. The type 75 size is matched to this mid-low viscosity window, ensuring suitable efflux times and measurement precision within the stated range.
This article is part of Viscometers, in Density & viscosity measurement.
Key features
- Pack size: 1 pc
- Product type: Cannon-Fenske Routine
- Size type: 75
- Measuring range: 1,6–8 mm²/s
- Viscometer constant K: 0,008
- Calibration: Factory calibration certificate
- Technical Information Sheet:
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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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