Assessing the impact of working pressure on water meter registration

Musaazi, Isaac G.; Sempewo, Jotham Ivan; Babu, Mohammed; Kiggundu, Nicholas

doi:10.2166/aqua.2021.123

Cited by 4 publications

(2 citation statements)

References 9 publications

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“…In view of this study, the age of the water meter is another point to be considered regarding its reading accuracy. Musaazi et al (2021) also had similar findings in another study, which showed that the age of the sensor has a negative correlation with the annual volume read, that is, according to the time the sensor had greater reading errors, errors that remained practically constant after five years. Thus, they suggest that this would be a good time to change the meter in a network for example.…”

Section: Resultssupporting

confidence: 80%

Autonomous metering system for monitoring water consumption

Rizzo

Cousin

Lucca

et al. 2021

Journal of Water Supply: Research and Technology-Aqua

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Faced with water scarcity and its rising costs, it is necessary to use it in a rational way. This study proposes the development of an autonomous system of water monitoring in condominiums (smart house), through meters that use turbine flow sensors and ZigBee technology for sending data to a coordinator, allowing monitoring of the consumption at various points of a building in almost real time. Users can read the consumed volume throughout a smartphone application. This stimulates a more rational way of using water, besides allowing to alert for leaks in pipes, faucets, showers and toilets. The accuracy of this sensor was compared with a mechanical flow meter and an ultrasonic sensor in the laboratory, all presenting errors smaller than 10% of readings for water flow above 2 L/min. The quality of the ZigBee network was analysed, in terms of interference with Wi-Fi, Bluetooth devices and a microwave oven, to assess if there are data losses in the sensor network and only Bluetooth caused losses, showing robustness in the combined ZigBee and Wi-Fi.

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Section: Resultssupporting

confidence: 80%

Autonomous metering system for monitoring water consumption

Rizzo

Cousin

Lucca

et al. 2021

Journal of Water Supply: Research and Technology-Aqua

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“…To reach the customer, the pressure is usually kept high at the initial distribution point and must meet a minimum pressure requirement of 1 bar at the customer's endpoint. However, field data shows that the final pressure is less than the provisions and fluctuates [12][13][14]. This condition of course affects the water meter.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Water Meter Accuracy in Pressure Variations and Flow Conditions in Gravimetry Test Equipment

Adi Firmansyah

2024

JIIF

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A water meter is a device used to measure the volume of water used by customers and is used as a basis for determining water retribution. The influence of pressure both in the position before (upstream) and after the water meter (downstream), then flow conditions that could be temporal and stable also affect on the accuracy of the water meter. Then, in this study, a prototype of a water meter test equipment was made that was able to vary the pressure in two positions and flow conditions and then determine the error of the test water meter automatically from the weighing process. Prototype scales and sensors (pressure gauge sensors, flow gauge sensors and temperature gauge sensors) have accuracy and precision in the range of 93,4%-99,9% and were connected to smartphones via an Android app that has data acquisition capabilities. The test results showed three downward error trends, namely 6,63%-4,70% (Temporal Flow, Upstream Position Pressure Regulation); 4,41%-3,66% (Temporal Flow, Downstream Position Pressure Regulation) and 3,21%-1,76% (Temporal Flow, Downstream Position Pressure Regulation). The results of the analysis showed that the pressure difference between the upstream position and the downstream position that exceeded 0,63 bar caused the test water meter error to exceed the error limit of ±4%, especially in temporal flow conditions compared to stable flow.

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Factors and Interactions that Influence the Pressure Drop Across An Air Volume Reducing Device on Low-Pressure Water Distribution Networks

Carpintero

Canales

Fábregas

et al. 2021

Iran J Sci Technol Trans Civ Eng

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Efficient water supply systems are necessary for the development and sustainability of human societies. One relevant aspect of these systems is the metering function, recorded employing water meters, which determines the charges levied to the clients and estimates the water losses in the network. Inaccurate measurements are detrimental for both the client and the supplier. For allowing more precise metering, one option is to use an air volume reducing device, an accessory similar to a check valve that minimizes the air volume entrapped in the pipelines, thus improving metering accuracy. This research used an experimental design to determine the influence of four factors and their interactions on the pressure drop across these devices as a preliminary step for allowing their extended use on low-pressure water supply systems. The results showed that the diameter, the spring stiffness, and the flow rate are significant factors in the pressure drop. The shape of the valve stem is statistically significant only when interacting with other factors.

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Assessing the impact of working pressure on water meter registration

Cited by 4 publications

References 9 publications

Autonomous metering system for monitoring water consumption

Autonomous metering system for monitoring water consumption

Analysis of Water Meter Accuracy in Pressure Variations and Flow Conditions in Gravimetry Test Equipment

Factors and Interactions that Influence the Pressure Drop Across An Air Volume Reducing Device on Low-Pressure Water Distribution Networks

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