SonTek

SonTek, founded in 1992 and advancing environmental science in over 100 countries, manufactures affordable, reliable acoustic Doppler instrumentation for water velocity measurement in oceans, rivers, lakes, harbors, estuaries, and laboratories. SonTek is headquartered in San Diego, California, and is a division of YSI Inc., a Xylem company that provides monitoring and data collection instrumentation to global water quality, water quantity, and aquaculture markets.

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