دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an instrument used to measure the viscosity of fluids, consisting basically of a container with a hole or jet of a standard size in the bottom. The time required for the flow of a specific volume of fluid is recorded in seconds at three temperatures (IOO.F-37.S.C, 130.F-54.4.C, and 210.F-9S.9.C). The time measurement unit is referred to as the Saybolt Second Universal (SSU).