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Title: METER VALIDATION FOR DIFFERENT PRESSURE FLOW MEASUREMENT DEVICES USING ADVANCE METER DIAGNOSTICS
Author: H.K.NaRayan, Dr. Richard Stevens
Source: 2018 American School of Gas Measurement Technology
Year Published: 2018
Abstract: Differential Pressure (DP) Flow meters are popular for being relatively simple, reliable and inexpensive. Their principles of operation are relatively easily understood. However, traditionally there has been a misconception that no DP meter self-diagnostic capabilities exist and as such only upgrading to newer ultrasonic or Coriolis technology can help bridge this gap. In 2008 & 2009 a generic Differential Pressure (DP) meter self-diagnostic methodology 1,2 was proposed to the industry. In this paper these advanced diagnostic principles were applied towards helping provide end user a newer yet effective, methodology for DP flow meters diagnostics, field proven with experimental test results. These results form the basis of a comprehensive validation methodology designed to help meter operators achieve improved confidence on their DP measurement and thereby help lower their operational risks associated with large measurement uncertainties due to non-compliance. The paper also aims to demonstrate how such new advanced tools/methodologies can help reduce operating costs (OPEX) by moving towards a risk based predictive maintenance plan.

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