Magnetic vs Ultrasonic Flow Meters for Wastewater: Performance, Cost, and Maintenance

A municipal treatment plant in the U.S. Midwest replaced three failed turbine flow meters on its influent line with magnetic meters in 2023. Within 12 months, the facility documented a 97 % reduction in meter-related downtime and recovered an estimated US $18,000 in avoided maintenance and unbilled flow — a case published by Emerson. Yet two states […]