pH sensors measure a liquid’s acidity or alkalinity on a 0-14 scale by detecting hydrogen ion concentration, providing crucial real-time data. Industries like water treatment, food & beverage, and agriculture use these to maintain quality, optimise processes, and ensure compliance. They work by comparing the voltage generated from a pH-sensitive glass electrode in the solution to a stable reference electrode. This outputs a signal that a transmitter converts into a usable pH value.
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