YSI Monitor, Analyze and Protect the World's Natural Resources
YSI (Yellow Springs Instruments) is a U.S. company founded in 1948. YSI is leader in the design and manufacture of sensors, instruments, software and data collection platforms for environmental water quality monitoring and laboratory tests.
The SonTek division is specialized in velocity and water quantity monitoring. The Integrated Systems & Services division designs and manufactures environmental monitoring buoys, vertical profiling platforms and custom solutions. Integrates YSI water quality and velocity sensors.
The EcoMapper AUV collects high-resolution water quality, bathymetry maps and multibeam RiverSurveyor. The anti-fouling kits increase the deployment intervals for multiparametric sondes.
YSI is registered to or complies with several certifications, including ISO 9001, ISO 14001, ISO 13485, Healthcare Canada, European WEEE, MCERTS, and EN46001. New products are designed in accordance with the European RoHS directive.