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pH measurement is often a critical early step in your workflow. We offer an extensive line of pH meters, pH electrodes, pH buffers, and pH measurement accessories designed to work seamlessly together to make your complex pH measurements routine and reliable.

Whether you're looking for a simple pH meter on a budget, or a powerful pH meter that simultaneously measures other parameters, our pH meters are designed to help you tackle even the most complex pH measurements with confidence.

Use Thermo Scientific™ Orion™ pH Electrode Filling Solution with pH electrodes and reference electrodes. Packaged as five 2 oz. (5 x 60mL) bottles. Orion Solutions, Standards and Buffers Overview Download Brochure, pH and ORP Buffers & Solutions pH Buffers & ORP Standards, Electrode Storage &...

There are 100’s of different applications for measuring pH. When you consider the number of available instruments, electrodes, calibration standards, and individual techniques, it might be hard to find two users that measure pH the exact same way.

Our benchtop pH and ORP (Oxidation-Reduction Potential) meters are designed to address a variety of measurement requirements for dependable performance, accuracy, and reproducibility. Identify the best match based on your required features, performance specifications, and budget.

The Thermo Scientific electrodes portfolio spans a vast range of industries and applications, and are categorized into digestible classifications to help you choose which electrode is best for your application. The accuracy of your pH measurements depends on the instrumentation you use.

Using high-quality solutions to calibrate and maintain your sensors is the best way to ensure your data is both accurate and reproducible. When choosing buffers and solutions for pH measurement, pay attention to the quality of the water and chemicals used. Use USP grade water whenever possible.

Dissolved oxygen, necessary for aquatic organisms, is an essential measurement to document changes due to natural phenomena and human activity. Optical dissolved oxygen probes are offered for field-ready applications.

The United States Pharmacopeial Convention (USP) is a non-profit organization that sets standards for the identity, strength, quality, and purity of medicines, food ingredients, and dietary supplements manufactured, distributed and consumed worldwide.

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...

The specific requirements of a cell culture laboratory depend mainly on the type of research conducted; for example, the needs of mammalian cell culture laboratory specializing in cancer research is quite different from that of an insect cell culture laboratory that focuses on protein expression.

Keep your lab stocked, equipped and optimized with our selection of lab solutions. We offer the labware and chemicals that you need every day, equipment and automation to streamline your workflow, and data management and analysis solutions to make the most of your results.

Your success depends on accurate sample measurements. For over 60 years, Thermo Scientific Orion has provided precise, reliable data to empower decisions in the lab, in the field, and on the line. Our comprehensive line of portable meters, online process analyzers, electrodes and UV-Vis...

Our Thermo Scientific Orion portable meters are built rugged and waterproof for dependable performance, anywhere and anytime. Take advantage of one-hand operation and easy portability for any remote application without sacrificing accuracy and the reliability of your measurements.

Designed for your measurement needs, Thermo Scientific has a variety of electrode categories to narrow your selection search to the best electrode for your everyday application., Download the pH handbook, browse our complete portfolio or let one of our experts help you make a selection.