Automation Solutions and Commercial & Residential Solutions | Emerson Global

How pH SensorsWork


This video demonstrates how Rosemount™ pH sensors work. pH is a measure of the concentration of hydrogen ions in a fluid, and the most common method for online pH measurement is potentiometric glass pH sensors. The sensors' two primary components -- a pH senstiive electrode and a reference electrode -- produce an electrical voltage that is proportional to the hydrogen ion concentration in the fluid. Learn more at

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