In the interest of providing guidance to water utilities a recent study was conducted to observe the ability of 12 utilities to accurately test meters especially at low flow rates.
Water meter testing standards.
This growing need has led iso technical committee iso tc 30 the group of experts working on standards in this field to revise iso 4064 so that it better covers the requirements of water meters for both cold drinking water and hot water.
These targets are usually driven by the units of the meter s register.
Improving meter testing procedures key takeaways through sound meter testing methods water utilities can better determine a meter s accuracy in measuring flow.
Testing performed to awwa c700 low intermediate and high flow standards.
This bmp will focus on testing repair and replacement of meters.
Ultrasonic and electromagnetic meters.
Water testing standards astm s water testing standards are instrumental in specifying and evaluating the methods and facilities used in examining the various characteristics of and contaminants in water for health security and environmental purposes.
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Wi 06 standard symbols for potable and recycled water construction drawings 11 03 2006 miscellaneous water details.
Water meter testing our nata accredited water meter testing laboratory offers comprehensive testing of water meters from from 15 mm up to 50 mm and for flow rates ranging from 4 l h to 30 kl h.
Meter reading and data management are discussed in the previous bmp on customer water use data collection and management.
Water meters are the basic link between a water company and its customers.
Meter reading testing replacement and data management are key responsibilities that every water company or utility must address.
This makes monitoring water use and calculating our exact consumption all the more important leading to an increased use of water meters.
The standard for fluidic oscillator meters is ansi awwa c713 standard for cold water meters fluidic oscillator type.
Awwa states that either 10 ft 3 or 100 gallons should be collected for the 15 gpm test and 1 ft 3 or 10 gallons should be collected for the 2 and 0 25 gpm tests.
Wm 01 water test station installation 11 03 2006 wm 02 water test station enclosure locations 11 03 2006 wm 03 retaining wall for fire hydrants and water and recycled water appurtenances 09 12 2008.
Assessments can be operated at flow rates up to 150 gpm for water meters 5 8 2 in diameter.