AWWA Standard C751 2016

This first edition standard reviews the principles of operation, calibration, and selection of magnetic inductive flowmeters (magmeters). Magnetic inductive flowmeters or electromagnetic flowmeters are commonly called magmeters. The flowmeter referenced in this standard is called a magmeter or magnetic flowmeter interchangeably. Magmeters are available in wafer style and threaded and flanged end connection designs. These spool/tube design flowmeters are most commonly used in the water industry. This standard will focus on magmeters of this design. Magmeters are used in a wide variety of applications including the measurement of wastewater, raw water, treated water, revenue generation, and in different stages of the treatment process such as the measurement of settled water, supernatant water, backwash water, and for proportional chemical addition (pacing). These meters have also been widely used in large diameter, inter-city custody transfer pipeline applications. This document addresses specific issues where a magmeter would be used in revenue service.

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