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Contact SupplierThe BR-PH-502 PH METER FEATURES is an indispensable instrument used to measure the acidity or alkalinity of a solution, providing a precise numerical value that represents the concentration of hydrogen ions (H+) present. This information is crucial in a wide range of applications, from scientific research and industrial processes to environmental monitoring and quality control. Understanding the principles of pH measurement and the functionality of a pH meter is essential for obtaining accurate and reliable results.
The concept of pH is based on the logarithmic scale, ranging from 0 to 14, where 7 represents neutrality. Solutions with a pH below 7 are considered acidic, while those with a pH above 7 are alkaline (or basic). Each unit change on the pH scale represents a tenfold difference in hydrogen ion concentration. For example, a solution with a pH of 4 is ten times more acidic than a solution with a pH of 5 and a hundred times more acidic than a solution with a pH of 6.
The BR-PH-502 PH METER FEATURES consists of two main components: a sensing electrode and a meter. The sensing electrode, typically a glass electrode, is immersed in the solution being measured. This electrode contains a special glass membrane that is sensitive to hydrogen ions. The interaction between the hydrogen ions in the solution and the glass membrane generates a voltage. This voltage is then measured by the meter and converted into a pH value.