Sampling and Monitoring Instruments for Water Quality, Level, and Solutions

New products

YSI Water Monitoring Panels

Water Monitoring Panel

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HydroRIG

Remote Intelligent Gateway for Data Logging & Remote Connectivity

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HydroSphere™

A Scalable Data Visualization Platform for Water Monitoring

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ProQuatro Multiparameter Meter

Portable Sampling Handheld Meter for DO, Conductivity, Salinity, TDS, pH, ORP, Ammonium, Nitrate, Chloride, Temperature and more

$1,537.00

MultiLab® Pro 40 IDS

Four channel benchtop multiparameter instrument with wireless capability

$2,751.00

Surfbee

Autonomous Surface Vehicle

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9220 Total Organic Carbon Analyzer

Online TOC Analyzer

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IQ SensorNet ColorVis

An online optical spectrophotometer

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THM 1000 Selective VOC Analyzer

THM Monitoring System

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MultiLab® Pro 20 IDS

Two channel benchtop multiparameter instrument with wireless capability

$2,134.00

How Del-Co Water cut THM turnaround from 10 days to 30 minutes

For years, Del-Co Water waited a week for THM results. Now they run analysis on-site in 30 minutes with the YSI THM 1000—optimizing treatment daily and managing water age across 800 square miles. See how one utility turned a weekly snapshot into a daily decision. Watch the video today!

HydroRIG Remote Intelligent Gateway

HydroRIG is a remote intelligent gateway that transforms how you gather and analyze environmental data. It features the functions of a data logger and modem in a single device, with no configuration needed. HydroRIG is integrated with HydroSphere, YSI’s cloud-based data visualization platform, to access, download, and share real-time data.

Selecting Your YSI Pro Series Water Quality System

YSI's Professional Series is a line of portable water quality handhelds with an option for everyone. Pro Series handhelds are rugged and waterproof with tough, military-spec connectors and user-replaceable cables and sensors. They are field-tested and provide trusted data. There are five important factors you'll want to consider to select the right Pro Series system for your application. First, consider what parameters you want to measure now and in the future.

Real-Time Water Quality Monitoring for Marine Science | SIMS

The Sydney Institute of Marine Science (SIMS) is a collaborative research and training studio that hosts a range of different research projects. Key focuses include habitat restoration, conservation efforts, and mitigating the effects of climate change on oceans and marine species. SIMS utilizes YSI EXO Sondes to monitor real-time water quality and gather continuous, reliable data they can trust.

Water Blogged 

Xylem to expand real-time water quality monitoring with TriOS acquisition

Xylem Marketing Team | 07/02/2026

Xylem has acquired TriOS Mess- und Datentechnik GmbH, a specialist in optical sensing and measurement systems for water quality monitoring across...

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Featured products

ProDSS Multiparameter Digital Water Quality Meter

The Ultimate Sampling Handheld. Portable Meter for DO, Conductivity, Salinity, TDS, pH/ORP, Turbidity, Algae, Temperature and more

$2,267.00 - $2,982.00

EXO2 Multiparameter Sonde

Multiparameter Water Quality Sonde (7 sensor ports, including a central wiper port)

$7,300.00 - $8,450.00

IQ SensorNet 2020 3G Controller

Modular water quality monitoring system for a complete sensor network that measures up to 20 parameters

$2,826.00

Pontoon Vertical Profiling System

A floating vertical profiling system that provides reliable, high‑resolution insights into the water column for ponds, lakes, reservoirs, and coastal monitoring.

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ProSolo Optical Dissolved Oxygen Meter

Portable Optical Dissolved Oxygen, Conductivity, Salinity, and Temperature Meter.

$1,132.00

2900M Online Monitor & Control System

Two Chemistry Online Monitor & Control System

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MultiLab® Pro 40 IDS

Four channel benchtop multiparameter instrument with wireless capability

$2,751.00

EcoMapper Nano

Compact, Highly Portable Autonomous Underwater Vehicle (AUV)

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Amazon Bubbler

Self-contained Continuous Flow Bubbler with Fully Integrated Pressure Sensor

$5,331.00

IQ SensorNet Alyza Analyzer PO4

IQ SensorNet Orthophosphate Analyzer

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