Effects of particulates on water meter accuracy through expected life

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Journal - American Water Works Association, ISSN: 0003-150X, Vol: 104, Issue: 4, Page: E231-E242

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B. Skyler Buck; Michael C. Johnson; Steven L. Barfuss
American Water Works Association; Hosted by Utah State University Libraries
Chemistry; Environmental Science; Civil and Environmental Engineering
article description
Many factors can influence the accuracy of water meters, including age, throughput, water quality, and the presence of particulates in the metered water. These factors can affect different types of meters quite differently, depending on the meter's design. The intent of this study was to assess the effects of particulates on new meter performance and identify trends that may typify meter performance and longevity after being subjected to a slug of particulates. Oscillating-piston (displacement-piston) meters were most affected by a slug of sand, and multijet and fluidic-oscillator meters were best able to tolerate the sand. Nutating-disc and single-jet meters performed better than the oscillatingpiston meters but not as well as the multijet or fluidicoscillator meters. The findings of this study will benefit meter manufacturers, those who manage meter re - placement programs, users, and those interested in metering water that contains particulates.