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Title: Verification / Calibration Of Devices Us Ed In Static Liquid Measurement S
Author: Robert Maze Andrew Biddle
Source: 2016 American School of Gas Measurement Technology
Year Published: 2016
Abstract: The purpose of verifying or calibrating liquid measurement devices is to ensure the accuracy of quantities being reported. With millions of dollars at stake, fractions of an inch or tenths of a degree Fahrenheit can make quite an impact to bottom line. At its most basic , the static (as opposed to dynamic , the use of meters ) quantity determination of liquid hydrocarbons is generally obtained by measuring the depth of the liquid in a storage tank and obtaining a representative temperature. Through the use of volume tables and volume expansion factors the quantity at a standard temperature can be stated. Several factors play an important role in quantity determination. Some of the factors are product density, the presence of fr ee water, ambient temperature, tank construction ( including roof design, stilling well design , stability of the tank bottom, etc.), as well as method of creation of the tank capacity tables . Additional factors come into play when measuring static liquids on board marine vessels.

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