July 2011, Vol. 238 No. 7
Features
Four-Tube Coriolis Meter Measures Pipeline Flow Accurately
Until recently, flow measurements in pipeline sizes above 12-inch diameter were usually done with conventional measurement principles, mostly following Bernoulli’s pressure difference principle or mechanical devices that were moved by the media and the number of movements being counted. Coriolis flowmeters have begun making inroads into pipeline custody transfer flow measurements, mainly because they are the most accurate of all flowmeters. However, Coriolis meters have been limited by size, and in some cases, were perceived as suffering from problems caused by pipeline noise and vibration. Endress+Hauser developed the first four-tube Coriolis flowmeter to address the pr

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