pH and electrochemistry

Water analysis is the foundation to your research

The ability to precisely evaluate the quality of a water sample is essential to achieving the highest standard in water quality. Your research and your samples depend on it. But how do you get there?

Utilizing the right instruments to help ease your most critical and everyday applications is the key—whether you’re in the field or in the lab. Meet your pH and electrochemistry needs with a portfolio including benchtop meters, portable meters, electrodes, probes, buffers, standards, solutions, and accessories in water and liquid analysis in the laboratory, R&D, government compliance, pharmaceutical, drinking water, wastewater treatment, food and beverage manufacturing, environmental, power generation, and general industrial processing markets.

pH & ORP measurement

pH and ORP measurements are necessary for sample analysis in a wide range of applications. Meet your pH and ORP needs with an extensive line of pH meters, pH electrodes, buffers, and kits designed to make your complex lab and field measurements routine and reliable.

Conductivity Measurement

Our benchtop and portable conductivity meters, conductivity probes, conductivity cells, and conductivity standards are designed to offer maximum repeatability and accuracy in your conductivity readings.

Ion Concentration Measurement (ISE)

We offer meters, electrodes, and solutions designed to measure a range of ions, including fluoride, chloride, ammonia, sodium, silver sulfide, bromide, cadmium, calcium, carbon dioxide, cyanide, and more.

Dissolved Oxygen Measurement

Whether in the lab or in the field, our dissolved oxygen meters, rugged dissolved oxygen probes, and solutions are designed to meet your standards for performance and price for your dissolved oxygen readings.

Multiparameter Meters

Measure pH, ion concentration, conductivity, dissolved oxygen, and temperature with a single, powerful meter. Our benchtop and portable multiparameter meters are designed to increase your productivity in the lab and in the field.

Meter Accessories

Enhance your productivity while protecting your investment. We offer an assortment of accessories for our meters, electrodes, and probes for your testing needs.


Knowledge Base: Certificates of Analysis and SDS for Orion, ROSS, AQUAfast, AquaMate, and AquaSensors products.

Orion Meters Software and Upgrades
Thermo Scientific Orion benchtop and portable meters are designed to help deliver accurate, consistent results, day after day. Boost productivity by upgrading your software today.

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