YSI Incorporated

YSI, a Xylem brand, provides monitoring equipment and services to governments, universities, and private organizations to protect natural resources. Products include: Multiparameter instruments for sampling and unattended monitoring of water quality; Online systems for aquaculture and waste water monitoring; Acoustic Doppler meters for measurements of velocity, tides, and currents; Buoys with full array of monitoring instrumentation, data acquisition systems, and meteorological sensors. Our trusted solutions help water resources professionals - throughout the aquaculture, coastal, drinking water, ground water, and surface water industries - obtain the quality data needed to make informed decisions about critical projects.


1725 Brannum Lane
Yellow Springs, OH 45387
United States
Toll-free: 800-765-4974
Phone: 937-767-7241
Fax: 937-767-9353

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