ISO 18213-5:2008 specifies a procedure for making accurate determinations of liquid height in nuclear-materials-accountancy tanks that are equipped with pneumatic systems for determining the liquid content. With such systems, gas is forced through a probe (dip tube) whose tip is submerged in the tank liquid. The pressure required to induce bubbling is measured with a manometer located at some distance from the tip of the probe. This procedure applies specifically when a fast bubbling rate is employed.
Status: PublishedPublication date: 2008-03
Edition: 1Number of pages: 13
Technical Committee: ISO/TC 85/SC 5 Nuclear installations, processes and technologies
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