A small-volume viscometer has been developed for measuring the viscosity of lubricating oils in the 40-140° cut range. A description is given of the viscometer’s principle of operation, which consists of measurement of the length of time that a ball is immersed in the test oil inside a beaker. The time (rate) of motion of the ball in the liquid is measured and recorded by a digital indicator. The results of calibration and measurement of the viscosity of various oils are reported.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 3, pp. 54 – 56, May – June, 2015.
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Koval’skii, B.I., Petrov, O.N., Shram, V.G. et al. Small-Volume Viscometer for Determining the Kinematic Viscosity of Liquid Lubricants. Chem Technol Fuels Oils 51, 325–329 (2015). https://doi.org/10.1007/s10553-015-0606-9
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DOI: https://doi.org/10.1007/s10553-015-0606-9