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Title: A Most Efficient Diagnostics Tool For Gas Turbine Meters: The Acculert G - II
Author: Bertrand Reeb,
Source: Flomeko 2003
Year Published: 2003
Abstract: 1. INTRODUCTION Turbine meters are very commonly used for custody transfer in the oil and gas industry. They have been type approved for fiscal metering for decades and in many countries, and they measure each day huge amounts of gas everywhere. While their biggest advantages are their good reliability and a low shift with time, together with a decent rangeability, their main drawbacks are their mechanical fragility and their sensitivity to poor installation conditions. Indeed, a too severe pressurisation might damage the thrust block of the rotor. A disturbed incoming flow profile will also induce an additional error from the turbine meter, which is designed for fully developed turbulent flow profiles. Unlike new categories of meters, such as ultrasonic or Coriolis meters, turbine meters are not furnished with built-in electronics. So they dont offer any diagnostics features by themselves. The AccuLERT G-II was designed to enhance turbine meters by providing a very efficient and easy means to monitor the metrological performances of turbine meters.

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