Water Monitoring Solutions
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Water Monitoring

Water is our most precious resource. And all our systems help you measure and protect it. YSI and its divisions take great pride in designing, building, and servicing the high-precision instruments that help you collect accurate and reliable water quality and velocity data. Our instruments and accessories are field-proven for applications such as: Aquaculture Bridges & Dams Coasts & Estuaries Groundwater Lakes & Ponds Oceans Ports & Harbors Reservoirs Rivers & Streams Wastewater Wetlands 2

Why YSI? For 60 years, YSI has pioneered the development of high-quality instrumentation for use in natural waters. Our technology saves you time: Meeting the global need for improved environmental monitoring requires fewer technical personnel and a lower cost of ownership. YSI provides accurate sampling and turn-key monitoring solutions, equipment that is easy to use and install, and intuitive interfaces. Our reliability improves efficiency: Successful monitoring efforts depend on accurate and defensible data. We deliver reliable instruments and continuously develop safeguards and system...

Quick Links ysi.com/proplus ysi.com/proODO ysi.com/proOBOD Sampling & Testing Professional Plus Applications Groundwater Wastewater Aquaculture Surface water Parameters Temperature Dissolved oxygen pH ORP Conductivity Specific conductance Salinity Total dissolved solids Resistivity Barometric pressure Ammonium/ammonia Nitrate Chloride BOD • Measures any combination of dissolved oxygen, pH, conductivity, ORP, ammonium, nitrate, chloride, salinity, total dissolved solids, barometric pressure, and resistivity • Interval or single-event logging with 5,000 data set memory and 100 site list and...

Quick Links ysi.com/photometers ysi.com/laboratory ysiecosense.com Sampling & Testing Single-Parameter 900 Chlorine Applications Groundwater Wastewater Aquaculture Surface water Industrial Parameters Temperature Dissolved oxygen pH ORP Conductivity Level Specific conductance Salinity Total dissolved solids Resistivity Barometric pressure Ammonia Calcium Chlorine BOD COD Hardness Iron Nitrate Alkalinity and more • Measure chlorine (free and total) • 100+ tests, including hardness, ammonia, calcium, and nitrate • IP-67 waterproof • Non-hazardous reagents with long shelf life • pH •...

Quick Links ysi.com/sondes ysi.com/castaway Sampling, Logging & Profiling Applications Short-term studies Lake & stream sampling Groundwater wells Tide gauge measurements Water level Sound velocity profiles Saltwater intrusion Hydrographic surveying Coastal research Fisheries Parameters Conductivity Temperature Depth Vented level pH ORP Dissolved oxygen Turbidity Nitrate Ammonium Chloride Salinity Sound speed 600LS sonde • Designed for spot sampling level measurements and tide gauge measurements 600R • Conductivity and temperature sensors and options to add pH and Rapid PulseTM dissolved...

Quick Links ysi.com/sondes EXOwater.com Long-term Monitoring Applications Continuous monitoring Source water Lake profiling Dredging Underway sampling PAR studies Algal bloom monitoring Coastal studies Saltwater intrusion Parameters Conductivity Temperature Dissolved oxygen Chlorophyll Blue-green algae Turbidity Rhodamine Depth Vented level PAR pH ORP fDOM • Large sensor payload capability and long battery life • Choose between 2 and 4 optical ports for dissolved oxygen, blue-green algae, chlorophyll, rhodamine, and turbidity • Also available with a pH wiping system • Perfect for...

Quick Links ysi.com/IQSN2020 ysi.com/aquaculture ysi.com/wastewater Continuous Monitoring & Control Aquaculture Applications Wastewater process monitoring Aquaculture monitoring and control Fisheries Parameters Conductivity Temperature Dissolved Oxygen pH ORP Salinity Turbidity TSS Ammonium Nitrate Potassium COD BOD DOC SAC TOC • Process monitoring for up to 20 parameters • Change or move parameters at any time • 3-year warranty • 1 cable for power and communications • Up to 48 output channels • Control pumps, blowers and more • Simple, modular system • Communications via modem, MODBUS,...

Quick Links sontek.com/oceanography.html sontek.com/laboratory.html Velocity, Currents & Flow ADPs (Acoustic Doppler Profilers) Applications Bottom boundary Currents Discharge Tide level Flow/low flow Sediment transport Flumes Near-shore monitoring Waves • Rugged, multi-purpose current profilers • Configure for real-time monitoring and autonomous deployment • Profiling to 200 meters • Options for bottom tracking, directional waves, and integrated external sensors • Affordable and easyto-use current profiler • Automatically adjusts sampling volume with changing tide level or river stage •...

Quick Links sontek.com/hydrology.html Velocity, Currents & Flow Argonaut®-ADV Applications Discharge calculation Stream indexing Real-time flow Irrigation Wastewater effluent SonTek-IQ Pipe • Single-point, shallow-water flow monitoring • Rugged ADV head and internal battery pack for autonomous deployment • Ideal for streams, marshes, lakes, and water treatment facilities • 2D, side-looking velocity, level, and flow meter • Calculates flow/discharge via theoretical or index-velocity ratings • Installs on side of river or open channel for easy access and quick maintenance • Measures remotely,...

Velocity, Currents & Flow RiverSurveyor Applications Discharge calculation Stream indexing Real-time flow Irrigation • Accurately measures discharge from moving boats • Computes complete 3-D velocity profile and bathymetric channel cross-section in minutes • Optional tethered platform for measurements from bridges • Features multifrequency velocity beams for robust bottom tracking and vertical beam for precise bathymetric surveying • Internal DGPS with RTK option • Embedded echosounder FlowTracker Handheld ADV • Wading discharge or velocity measurements in streams, weirs, flumes, and open...