The Ryton PPS electrodes and probes on Grainger's website are designed for water testing and measurement. They feature corrosion resistant Ryton polyphenylene sulfide bodies and are available in various styles like combination pH/ORP, conductivity, dissolved oxygen, pH, and ion selective. Diameters range from 3mm to 12mm. Many feature replaceable tips and guards. Temperature compensation is possible on select models. These lab-grade probes provide accurate readings in aqueous solutions. Grainger offers a wide selection of Ryton-bodied electrodes from brands like Oakton, Thermo Scientific, Mettler Toledo, Hanna, and more.