دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. the point at which a tape is lowered and read on a tank, usually at the rim of the hatch, manway, or expansion dome.2. a point to which all subsequent measurements are related.3. the point from which the reference height is determined and from which the ullages/innages are taken.

n: the distance actually measured from the tank bottom or datum plate to the established reference point.

n: the distance from the reference point to the datum plate or the bottom of the tank. It should be stamped on the fixed benchmark plate or stenciled on the tank roof near the gauging hatch. Also called reference height.

n: see reference depth.