Abstract：In order to improve the calibration accuracy of viscometer in non-standard environment laboratory, the viscosity-temperature characteristics of refined petroleum products and refined methylsilicone oil standard viscosity liquids were systematically studied according to experimentally certified viscosity-temperature data. The Walther equation and Arrhenius equation were selected and optimized, and then the kinematic viscosity-temperature correction method of refined petroleum products standard viscosity liquids and the dynamic viscosity-temperature correction method of refined methylsilicone oil standard viscosity liquids were established with the certified values of 20℃ and 25℃ as the reference point. The results show that the maximum deviation between the calculated value and the certified value is 0.65%. The viscosity-temperature correction method used in the calibration of working viscometer is feasible to a certain extent, more accurate viscosity temperature correction in non-standard environment laboratory is realized.
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2022, Vol. 43 
