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Title: On The Dead Volume Of A Standard Small Volume Prover
Author: Maria H. Farias, Marcos V. B. Ramos And Sandro R. Santoro
Source: Flomeko 2010
Year Published: 2010
Abstract: The calibration procedures of compact provers, which are used as standards to calibrate volumetric meters, are well known. However, the reduction of uncertainty of measurement in a prover calibration or when using a prover as standard depends on several factors, among them, the way of controlling some quantities, the kind of valves in the hydraulic circuit and how they are operated, the kind of liquid totalizer in calibration etc. In general, position sensors installed close to the initial and final ends of the cylinder ruler of the prover indicate the useful displacement along the tube. Such sensors limit the dead volume in the cylinder ends, which is not defined by the equipment user

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