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Title: Developments Of Transducer Technology And Reciprocity In Ultrasonic Flow Meters
Author: Skule E. Smrgrav
Source: American Gas Association 2006
Year Published: 2006
Abstract: Ultrasonic transit time flow meters for gas and liquid (USMs) are gaining increased popularity for custody transfer and allocation metering of gas and oil. AGA recommendations on gas USMs were issued in 1998 1 (this document is presently under revision), a handbook on uncertainty evaluation of gas USM metering stations was prepared in 2001 2,3, an API standard on liquid ultrasonic meters was issued in February 2005 4, an ISO standard on gas USMs is under development 5, etc.