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Water 2018, 10(5), 612; https://doi.org/10.3390/w10050612

Performance Analysis of Ageing Single-Jet Water Meters for Measuring Residential Water Consumption

1
ITA—Grupo de Ingeniería y Tecnología del Agua, Dpto. de Ingeniería del Agua y Medio Ambiente, Universitat Politecnica Valencia, Camino de Vera s/n, 46022 Valencia, Spain
2
Smart Metering Manager, FACSA, Calle Mayor 82-84, 12001 Castellon, Spain
*
Author to whom correspondence should be addressed.
Received: 23 March 2018 / Revised: 18 April 2018 / Accepted: 5 May 2018 / Published: 8 May 2018
(This article belongs to the Special Issue Advances in the Economic Analysis of Residential Water Use)
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Abstract

Single-jet meters are one of the most frequently used domestic meters that can be found in water distribution systems. Like any other water meter technology, they have significant metrological limitations that prevent them, even if recently installed, from measuring all water consumption of a domestic customer. After installation, their metrological characteristics evolve depending on the particular design of the meters and their actual working conditions in the field. This work presents a comprehensive set of tests to determine the initial and after installation weighted error of two types of domestic single-jet water meters. Three non-linear degradation models have been derived from the tests results. These models consider age, totalised volume, or both parameters simultaneously as drivers of the weighted error. The results show that even though the construction of the two examined meters is similar, they have been working under comparable operational conditions and measuring water of the same quality, there is a significant difference in the performance between both types. This result highlights the need to conduct individual analyses for each meter type and the impossibility of generalizing conclusions on how the weighted error could evolve over time. View Full-Text
Keywords: water meter accuracy; apparent losses; single-jet water meters performance; water metering errors; domestic water meter replacement water meter accuracy; apparent losses; single-jet water meters performance; water metering errors; domestic water meter replacement
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Arregui, F.J.; Gavara, F.J.; Soriano, J.; Pastor-Jabaloyes, L. Performance Analysis of Ageing Single-Jet Water Meters for Measuring Residential Water Consumption. Water 2018, 10, 612.

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