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Title: Basics Of Gas Ultrasonic Meter Diagnostics
Author: John Lansing
Source: 2014 International School of Hydrocarbon Measurement
Year Published: 2014
Abstract: This paper discusses basic diagnostic features of gas ultrasonic meters (USM), and how capabilities built into todays electronics can identify problems that may have gone undetected in the past. It primarily discusses fiscal- quality, multi-path USMs and does not cove r issues that may be different with non-fiscal meters as they are often single path designs. Although USMs basically work the same, the diagnostics for each manufacturer does vary. All brands provide basic features as discussed in AG A 9 Ref 1. However, some provide more advanced features that can be used to help identify issues such as blocked flow conditioners and gas compositional errors. This paper focuses on the Westinghouse and British Ga s configurations (both being chordal designs) and the information presented here may or may not be applicable to other path designs

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