Revise the nominal viscosity of the CL calibration standards. Currently these do not offer a uniform distribution over the viscosity range of the instrument. The proposed revision would alter the nominal viscosity values to provide a uniform distribution. The advantage to the user will be a more robust instrument calibration. Additionally there are some minor changes in table that provides the user with guidance on selecting the viscosity standards to use. Update unit expressions so they are consistent with current style requirements.
Keywordsapparent viscosity; cold cranking; cranking; engine oils; petroleum and petroleum products; viscosity; Automotive engine fuels/oils; Cold-cranking simulator (CCS); Low-temperature testing--petroleum products/applications; Lubricating oils; Petroleum products; Viscosity--petroleum products;
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