EXPERIENCES OF CLAMP–ON ULTRASONIC FLOWMETERS IN SMALL PIPES

S. Asikainen, J. Halttunen

Abstract

Two commercially available clamp–on ultrasonic flowmeters were tested in the Laboratory of Measurement and Information Technology at Tampere University of Technology. In these tests two different pipe sizes, four different pipe materials and several sensor setups were used. The results show that it is very difficult to make accurate measurements in small pipes, because several factors have quite large effect on the meter performance. The measurement method, error in measured wall thickness, pipe material and the quality of the material are examples of these factors.

Keywords

clamp–on, ultrasonic flowmeter, water meter

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IMEKO-TC9-2000-050.pdf

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IMEKO TC

TC9 - Flow Measurement

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