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Title: Developments In The Self-Diagnostic Capabilities Of Orifice Plate Meters
Author: Mark Skelton Simon Barrons Jennifer Ayre Richard Steven
Source: 2010 North Sea Flow Measurement Workshop
Year Published: 2010
Abstract: In 2008 1 & 2009 2 DP Diagnostics disclosed a generic differential pressure (DP) meter diagnostic methodology. Swinton Technology (ST) has subsequently developed the solution Prognosis in partnership with DP Diagnostics. Prognosis allows these generic DP meter diagnostic methodologies to be applied via software on a PC automatically reading live instrument signals thereby making these principles available for field applications. Whereas initial DP Diagnostics technical papers concentrated on proving the diagnostic principles a simple way of presenting the diagnostic results was also proposed. The diagnostic analysis could be plotted as points on a graph which could be shown live in a control room (or archived for later analysis). After a review of the diagnostic methods this paper discusses diagnostic pattern recognition for this graphical representation

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