YSI Incorporated
We work with industry and government professionals to provide monitoring and sampling solutions for process improvement and to protect our planet's natural resources. 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.
- 1 877-726-0975
+1 937-688-4255 - 1 937-767-9353
- info@ysi.com
- 1700/1725 Brannum Lane
Yellow Springs, Ohio 45387-1107
United States
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product
Dissolved Oxygen Instrument
550A
The 550A dissolved oxygen instrument has been discontinued. YSI will continue to support existing 550A's through 2020. We recommend the Pro20i as a direct replacement. The Pro20 and ProODO handheld instruments are also suitable replacements. See the Pro Series Guide for discontinued YSI handheld instruments and their replacements.
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Three channel benchtop multiparameter instrument
MultiLab 4010-3
Laboratory instrument for DO/BOD, pH, ORP, conductivity and ion activity measurement. EPA approved for drinking water and wastewater compliance reporting. The YSI MultiLab line includes the 4010-1 (single channel), 4010-2 (dual channel) and 4010-3 (three channel) instruments providing easy to use and calibrate menu-driven operation ideal for the laboratory. All MultiLab instruments can accurately measure pH, ORP, conductivity, and DO/BOD. ISEs can also be connected to two and three channel instruments.
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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:
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Laboratory pH Instrument
pH1200
Laboratory Instrument for pH and mV Tests. Perform accurate lab pH measurements with the YSI pH1200. Instrument features: auto buffer recognition, large display, sensor efficiency check, autolock mode and more for accurate lab pH testing.
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product
Multiparameter Water Quality Meter
ProDSS
Handheld multiparameter instrument with multiple cable optionsThe YSI ProDSS (digital sampling system) handheld multiparameter meter provides extreme flexibility with two main cable options. Choose between the fully loaded 4-port cable assembly outfitted with any four DSS sensors (with depth or no depth) or the ODO/CT probe and cable - where you get accurate DO measurements every time with an optical dissolved oxygen sensor with an inline conductivity sensor, allowing for real-time salinity compensation.