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An ION8600 and ION8800 series meter chooses the phase at which to measure the frequency on in a pseudo random fashion, where it picks phase A more often then any other phase. Also, the phase selection is done in such a way to account for unattached phases, and skip them (in the case where one or two phases are wired).
Date Created: November 27, 2009
Last Revised: December 23, 2009
Original Author: TO
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