We offer an extensive line of pH meters, pH electrodes, buffers, and kits designed to make your complex lab and field measurements routine and reliable.

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.

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.

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.

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.

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

Thermo Scientific™ Orion™ stirrer probe electrodes automatically stir samples for better accuracy without having to deal with a separate stir plate and stir bar. 

Thermo Scientific™ Orion™ automatic temperature compensation electrodes automatically correct the pH measurement during a temperature change.