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pH meters, also called pH testers or pH monitors, are scientific instruments used to measure the acidity or alkalinity of a liquid solution by measuring the pH (concentration of hydrogen ions) in a solution. A pH meter tests the liquid or solution’s quality and expresses the pH (potential of Hydrogen) on a scale—with values from 0 to 14, with 7 being neutral—a pH value less than 7 shows acidity, while a pH greater than 7 indicates alkalinity. pH meters are easy-to-use and accurate tools, providing researchers and scientists with optimised conditions for various applications. These battery-operated precision devices offer real-time data, ensuring timely adjustments and quality control–enhancing overall productivity and regulatory compliance.
Using a pH meter is relatively simple, depending on the pH meter type. For a typical pH meter, you simply need to immerse the pH electrode into the tested solution. The pH-sensitive electrode generates a voltage in response to the hydrogen ion concentration in the given solution. The pH meter then converts this voltage into a pH value and displays it on a digital screen or analogue scale.
pH meters are essential instruments used in various scientific, industrial, and laboratory applications to measure the acidity or alkalinity of a solution. There are several types of pH meters available, such as:
pH meters are versatile instruments that find multiple applications in various industries and settings, such as: