IEC 61868 Ed. 1.0 b:1998

Current Revision
Mineral insulating oils - Determination of kinematic viscosity at very low temperatures

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Mineral insulating oils - Determination of kinematic viscosity at very low temperatures

PUBLISH DATE 1998
PAGES 28

Mineral insulating oils - Determination of kinematic viscosity at very low temperatures

Specifies a procedure for the determination of the kinematic viscosity of mineral insulating oils, both transparent and opaque, at very low temperatures, after a cold soaking period of at least 20 h, by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer.

Applies at all temperatures to both Newtonian and non-Newtonian liquids having viscosities of up to 20 000 mm²/s.

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