ISO 18213-1:2007 describes procedures for tank calibration and volume determination for nuclear process tanks equipped with pressure-measurement systems for determining liquid content. Specifically, overall guidance is provided for planning a calibration exercise undertaken to obtain the data required for the equation to estimate a tank's volume and the key steps in the procedure are presented for subsequently using the estimated volume-measurement equation to determine tank liquid volumes.
The procedures presented apply specifically to tanks equipped with bubbler probe systems for measuring liquid content. Moreover, these procedures produce reliable results only for clear (i.e., without suspended solids), homogeneous liquids that are at both thermal and static equilibrium.
Status: PublishedPublication date: 2007-11
Edition: 1Number of pages: 22
Technical Committee: ISO/TC 85/SC 5 Nuclear installations, processes and technologies
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