YSI - a Xylem brand  
 

Develops and manufactures sensors, instruments, software and data collection platforms for environmental and coastal water quality monitoring and testing.

 

High quality, high resolution data

YSI's environmental products provide high quality, high resolution data to better understand and manage our water resources. They are used for wastewater process control, climate change and drought studies, flood monitoring and warning, stormwater runoff monitoring, groundwater quantification and contamination, aquaculture production and source water safety. In addition to standard products, YSI's custom integrated systems help customers obtain critical data in most any application. Tell us what you need and let us design and deploy a total system, even if you simply just want the data.

Low maintenance

Our environmental products provide infrequent maintenance cycles, user interchangeable sensors, and field-rugged enclosures all backed up by a passionate and knowledgeable technical support team.

The Gold Standard

YSI Life Science and laboratory products are considered the Gold Standard for QC applications. They are used for process control, research and industrial applications by food and beverage, environmental, biofuels, biotech and pharmaceutical customers.

When purchasing YSI, you can expect proven products and technologies that provide true value and low TCO (total cost of ownership). Whatever your instrumentation need, YSI is ready to provide a reliable solution. We know you are passionate about your work...we are equally passionate and enthusiastic about what we can offer to help you succeed.

Website: www.ysi.com
  • Handheld water meters
  • Biochemistry Analysers
  • Sondes
  • Bubbler
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YSI ProDSS - Digital Sampling System

The YSI ProDSS - Digital Sampling System - is the ultimate water quality field instrument for sampling and profiling. With the ProDSS, we have answered our customer's demands to produce a truly rugged, reliable and smart multiparameter handheld instrument.

proodo Optical dissolved Oxygen meter

YSI ProODO - Optical Dissolved Oxygen Meter

The YSI ProODO is the best handheld optical dissolved oxygen instrument on the market. The handheld dissolved oxygen meter provides extreme durability for measuring DO with optical, luminescent based technology for both the field and lab.

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YSI Professional Plus Multiparameter Meter

The YSI Professional Plus handheld multiparameter meter provides extreme flexibility for the measurement of a variety of parameters such as DO, conductivity, specific conductance, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature.

2900D Biochemistry Analyzer

YSI 2900D Biochemistry Analyzer

The YSI 2900 features an intuitive graphical user interface, a USB port for data retrieval, and the ability to measure samples from a variety of sample holders including 96 well plates and microcentrifuge tubes, making 2900 series analyzers the easiest to use and most cost effective way to measure the following chemistries in a wide range of application areas.

2900M Online Monitor & Control System

YSI 2900M Online Monitor & Control System

YSI 2900 Biochemistry Analyzer with YSI 2960 Online Monitor and Control System.

2950D Biochemistry Analyzer

YSI 2950D Biochemistry Analyzer

YSI has earned a reputation as the Gold Standard in bio-analytical instruments with highly accurate sensors and rapid results. The key to generating analyte-specific results in 60 seconds or less is YSI's innovative biosensor technology.

YSI EXO2 multiparamter water quality instrument

YSI EXO2 Multiparameter Sonde

The EXO advanced water quality monitoring platform includes the versatile multiparameter EXO2 sonde for oceanographic, estuarine, or surface water applications. Collect data to 250m with the advanced EXO2 sonde – contains six replaceable 'smart' sensors and a central wiper to clean biofouling.

EMM25 - Sonde Spar

YSI EMM25 - Sonde Spar

Looking for a cost effective way to deploy a water quality sonde? The YSI EMM25, Sonde Spar is designed to be a low cost option for short and long-term monitoring. It's simple to use design allows for rapid deployment for event monitoring and emergency response. The lightweight design allows for the system to be deployed by a single person; it can be deployed from a small boat or from shore. The integral deployment tube will accept any YSI EXO or 6-Series sonde or 3rd party device.

Available options for the EMM25 Sonde Spar include an amber, self-contained flashing beacon for deployments in navigable waters. Bluetooth connectivity for remote data access from a compatible Bluetooth enabled device.

exo1

YSI EXO1 Multiparameter Sonde

Capturing accurate data in fresh water, ground water and marine aquatic environments is easy with . The versatile multiparameter EXO1 sonde is ideal for estuarine, surface water, or ground water applications.

Instrument Only. Cables, probes/sensors, and accessories sold separately - please see the "Accessories" tab for details.

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YSI 6920 V2 Sonde

The YSI 6920 V2 sonde is an economical water quality logging system, ideal for long-term in situ monitoring and profiling.Real-time turbidity monitoring, dissolved oxygen monitoring, algae monitoring, and more.

MCERTS certified

EXO 3 multiparameter sonde

YSI EXO3 Multiparameter Sonde

Offering the greatest value of any sonde available in the market, EXO3 combines the maneuverability of EXO1 with the powerful antifouling wiper of the EXO2. EXO3 is a purpose-built sonde for monitoring major water quality parameters, including: pH, conductivity, temperature, turbidity and dissolved oxygen.

WaterLOG Amazon Bubbler

YSI Amazon Water Level Bubbler

The YSI Amazon Water Level Bubbler is a smart gas purge system built with communication and ease of setup in mind. The Amazon Water Level Bubbler Systems rugged design was developed for hydrologists and water professionals to provide long-term accurate and repeatable level readings. It can be used as a stand-alone unit or sensor with a full suite of communication protocols including SDI-12, MODBUS via RS-485 or TCP, and 4-20mA. The Amazon requires no special software and is easily configured with an optional display and or web browser GUI. WaterLOG's team of professionals have been providing bubbler support for over 20 years.