Company Category: Dissolved Oxygen Monitors & Instruments

YSI, Xylem

YSI is the leading provider of comprehensive water quality monitoring solutions for wastewater treatment systems. With over seven decades of innovation, YSI delivers field-proven instrumentation that helps wastewater utilities optimize treatment processes, ensure effective effluent quality, and maintain regulatory compliance. From influent characterization to treatment plant optimization and effluent monitoring, YSI’s advanced sensor technology provides real-time data on critical parameters including dissolved oxygen, ammonia, nitrate, phosphorus, suspended solids, and more. Our IQ SensorNet network-based systems enable utilities to monitor up to 20 parameters simultaneously, ensuring optimal treatment efficiency and process control. YSI’s scalable solutions range from handheld field instruments like the ProDSS for spot sampling to comprehensive online monitoring solutions for treatment facilities. Our field-tough, lab-smart instrumentation is backed by expert consulting and technical support services. Wastewater utilities worldwide trust YSI to deliver accurate, reliable data needed for efficient water quality management.

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Winters Instruments

Winters is a leading global manufacturer of pressure gauges, pressure transmitters, pressure switches, diaphragm seals, thermometers & digital instruments. | Since 1953, Winters Instruments has been manufacturing quality-built instrumentation for all markets that require pressure and temperature measurement. Through the years, the company has grown in size and reputation and is now a leading global manufacturer of industrial instrumentation. Our comprehensive product line of pressure gauges, pressure transmitters, pressure switches, diaphragm seals, thermometers, temperature sensors, valves and various accessories are brought to market by an extensive network of distribution partners and are trusted by some of the world’s most recognized Fortune 500 companies. Winters Instruments currently operates from 8 worldwide offices. Winters is a 2023 Gold winner of Canada’s Best Managed Companies program.

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Vertex Group

Vertex Group equips utilities with real-time monitoring and predictive tools for smarter water and wastewater management. We provide advanced monitoring, analytics, and automation solutions that help water and wastewater utilities operate more efficiently. We work with the latest tech to deliver real-time insights, predictive maintenance, and smarter infrastructure management, supporting utilities in reducing loss, improving reliability, and meeting sustainability goals.

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Swan Analytical USA Inc.

At Swan Analytical Instruments, we develop and manufacture highly precise water analysis instruments that reliably detect even the smallest amounts of undesirable contaminants. Our instruments help our customers identify and efficiently remove contaminants at an early stage. In doing so, we protect valuable equipment and contribute to the sustainable optimization of industrial processes.

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Solinst Canada Ltd.

Solinst Canada Ltd. is a global leader in the design and manufacture of high-quality groundwater and surface water monitoring instrumentation. Founded in 1975 and headquartered in Georgetown, Ontario, Solinst is a family-owned enterprise dedicated to providing hydrogeologists and water professionals with innovative, reliable, and easy-to-use tools. Our extensive product line includes the industry-standard Model 101 Water Level Meter, a range of level measurement devices, advanced Levelogger dataloggers, telemetry systems, groundwater samplers, multilevel systems, borehole liners, and more. We specialize in equipment for site investigations, spill monitoring, and long-term water resource management. A highlight of our portfolio is Solinst Eureka, which offers a comprehensive range of multiparameter water quality sondes. These advanced probes, including the Manta+ series, feature the industry’s largest selection of sensor technologies. Solinst Eureka instruments are engineered to measure critical parameters, including pH, conductivity, DO, and turbidity, as well as specialty sensors such as fluorometers. These sondes provide accurate data for spot-checking, autonomous logging, or remote real-time monitoring via telemetry. At Solinst, we take pride in our in-house design, manufacturing, and technical support. Our commitment to innovation and customer service ensures that we provide the precision and durability required for the most challenging environmental applications.

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Sensorex Inc.

For over 50 years, Sensorex has been creating a cleaner, safer world as a manufacturer of premier liquid analytical sensors and electrodes for industrial process applications, water quality monitoring, environmental testing, and laboratory analysis. With a variety of measurements available, including pH, ORP (Oxidation Reduction Potential), Conductivity, Dissolved Oxygen, Free Chloride, Chlorine Dioxide, Ion Selective, and UV Transmittance. Sensorex offers reliable, accurate, measurements. The Sensorex Smart Sensor line provides added value as a cost-effective alternative to transmitters and controllers. Since our initial launch in 1972, Sensorex has grown to be a trusted expert in its field, with a focus for delivering ground-breaking technologies of high-performance water quality monitoring products to customers around the world. With manufacturing capabilities in both Europe and North America, we use our experience, commitment to excellence, ability to customize, and flexible design to ensure that each user receives a sensor that meets their specific, targeted needs. In addition to our web-store and a network of domestic and international distribution partners, Sensorex offers industry leading application support worldwide to create an optimal experience for product users throughout their customer journey. | For over 50 years, Sensorex has been creating a cleaner, safer world as a manufacturer of premier liquid analytical sensors and electrodes for industrial process applications, water quality monitoring, environmental testing, and laboratory analysis. With a variety of measurements available, including pH, ORP (Oxidation Reduction Potential), Conductivity, Dissolved Oxygen, Free Chloride, Chlorine Dioxide and Ion Selective. Sensorex offers reliable, accurate, measurements. The Sensorex Smart Sensor line provides added value as a cost-effective alternative to transmitters and controllers. Since our initial launch in 1972, Sensorex has grown to be a trusted expert in its field, with a focus for delivering ground-breaking technologies of high-performance water quality monitoring products to customers around the world. With manufacturing capabilities in both Europe and North America, we use our experience, commitment to excellence, ability to customize, and flexible design to ensure that each user receives a sensor that meets their specific, targeted needs. In addition to our web-store and a network of domestic and international distribution partners, Sensorex offers industry leading application support worldwide to create an optimal experience for product users throughout their customer journey.

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Seametrics

Seametrics, a member of the TASI Flow Group, is a designer and manufacturer of a variety of flow metering and submersible sensor products. Since 1990, we have provided innovative solutions to users in irrigation, fracking, water & wastewater, environmental, and processing applications. Our products have a reputation for durability and accuracy at a competitive price and are sold through our network of domestic and international distributors. Located just south of Seattle, our Kent, WA factory is home to both our engineering and production groups. We employ just-in-time manufacturing methods and have a high commitment to continuous improvement as demonstrated by our ISO 9001 quality management system. Our focus on innovation, product value and customer accessibility has resulted in over two decades of continuous growth. Seametrics is dedicated to helping conserve the world’s most valuable resource by providing our customers with precision flow meter and environmental sensor products. | Seametrics delivers reliable flowmeter and sensor technology, supported by dedicated customer care. Designed for precision, durability and integration, our products are used across agriculture, industrial operations and environmental monitoring to ensure accurate water measurement in diverse conditions. We continuously invest in quality improvements and rigorous testing to meet the evolving needs of our customers. What truly sets Seametrics apart is our people: a responsive, hands-on team committed to helping users problem-solve and stay productive. From field performance to post-sale support, we provide more than products; we deliver trust, technical reliability and the partnership needed for confident water management.

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