YSI

About YSI

YSI Environmental has been manufacturing water quality sensors and instruments for more than 50 years. Our tag line, Pure Data for a Healthy Planet, has real meaning for us. We take great pride in designing, building, and servicing the high-precision instruments that help our clients collect accurate and reliable water quality data. YSI’s complete line of multiparameter instruments and accessories are field-proven for sampling, profiling, logging, and long-term monitoring in diverse applications such as: - Ports/ harbors - Coasts - Oceans - Lakes - Rivers - Streams - Tanks - Wells YSI’s complete line of instruments and accessories : - Handhelds for single point portable measurement (Salinity, pH, DO, ORP, Temp,…) - Multi Parameter Sondes which can measure up to 15 parameters including Chlorophyll, Turbidity, Chloride, Nitrate, Ammonia,… - Clean Sweep™ technology for extended deployment which saves time and money by extending deployment times with little or no recalibration or cleaning. - Deployed systems with real time data - Argonaut ® water current meters - Buoy Systems for both Hydrology and Meteorology monitoring.