YSI ProQuatro
Single & Multiparameter
Water Quality Meter

The YSI ProQuatro is an economical single or multiparameter water quality instrument designed for portable applications that include groundwater, surface water, coastal and agriculture. The ProQuatro features user- replaceable cables and sensors, quick response times, and micro USB port for easy data transfer. Reference the ordering guide included with the tech sheet for optional configurations.

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YSI ProQuatro Specifications
YSI ProQuatro User Manual

YSI Pro1020

pH, ORP, ORP/Redox, Polarographic or Galvanic DO sensors, and Temperature.

YSI Pro1030

pH, ORP/Redox, Conductivity, Specific Conductance, Salinity, Total Dissolved Solids (TDS), and Temperature.

YSI Pro2030

DO, Conductivity, Specific Conductance, Salinity, Total Dissolved Solids (TDS), Barometer and Temperature.

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YSI Professional Series Specifications
YSI Pro1020 User Manual
YSI Pro1030 User Manual
YSI Pro2030 User Manual
YSI Amplified pH & pH/ORP Sensor Specs

YSI ProDSS
Multiparameter Sampling Instrument

The YSI ProDSS is a rugged single or multiparameter water quality instrument designed for use in applications that include surface water, groundwater, coastal, and agriculture. The ProDSS features optional user-replaceable digital smart sensors that are automatically recognized when connected to the instrument. The optional GPS function, a broad range of sensors, and varying cable options allow for complete customization of the ProDSS.

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YSI ProDSS Multiparameter Specifications
YSI ProDIGITAL User Manual
YSI ProDIGITAL Quick Start Guide

YSI Pro10

pH or ORP/Redox, and Temperature.

YSI Pro20

DO and Temperature.

YSI Pro30

Conductivity, Specific Conductance, Salinity, Total Dissolved Solids (TDS), and Temperature.

Call 1.800.833.7958

YSI Professional Series Specifications
YSI Pro20/Pro20i User Manual
YSI Pro30 User Manual
YSI Amplified pH & pH/ORP Sensor Specs

YSI ProSolo ODO/T & ODO/CT

The ProSolo DIGITAL water quality meter features an advanced optical dissolved oxygen (ODO) probe that can be combined with either a temperature (ODO/T) or conductivity (ODO/CT) sensor. The ProSOLO handheld meets the demands of field work with a large LCD graphic display, waterproof case and interchangeable military-spec cable connector. User-replaceable cables are available in lengths that range from 1 to 100 meters.

The YSI ProOBOD probe is used with the YSI ProODO handheld optical dissolved oxygen instrument. The ProOBOD easily connects to the ProODO handheld and makes it convenient to conduct lab BOD's with a very compact footprint.

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YSI ProSolo ODO/T & ODO/CT Specifications
YSI ProDIGITAL User Manual
YSI ProDIGITAL Quick Start Guide
YSI ProOBOD User Manual

YSI ProSwap Water Quality Meter

YSI ProSwap single parameter water quality instrument enables users to easily swap one digital smart sensor for another. ProSwap can transform into whatever you need, ranging from a purpose-built turbidity meter, high- accuracy optical DO meter, spot sample for pH or profile conductivity-temperature-depth instrument. ProSwap is even compatible with a range of ion specific electrodes (ISE) and Total Algae sensors.

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YSI ProSwap Specifications
YSI ProSwap User Manual

YSI Pro20i Dissolved Oxygen/Temperature

Easy to use, rugged and reliable, the YSI Pro20i provides everything you need in a handheld instrument for the measurement of dissolved oxygen (DO). A true field instrument with IP-67 waterproof, rubber over molded case, military spec connectors and 1-meter drop tests ensure durability to provide years of sampling even in the harshest field conditions.

Call 1.800.833.7958

YSI Pro20i DO/Temp Specifications
YSI Pro20i User Manual