What is PH meter
*The pH Meter: A Comprehensive Guide* Introduction The pH meter is a crucial instrument used to measure the acidity or alkalinity of a solution. It is widely used in various industries, including water treatment, food processing, pharmaceuticals, and environmental monitoring. In this article, we will explore the principles, types, and applications of pH meters, as well as provide guidance on how to use and maintain them. What is pH? pH is a measure of the concentration of hydrogen ions (H+) in a solution. It is defined as the negative logarithm of the hydrogen ion concentration: pH = -log[H+] The pH scale ranges from 0 to 14, with: - pH 0-6.9: Acidic - pH 7: Neutral - pH 7.1-14: Alkaline Types of pH Meters 1. *Analog pH Meters*: These meters use a glass electrode and a reference electrode to measure pH. They are simple, inexpensive, and widely used. 2. *Digital pH Meters*: These meters use a microprocessor to display pH readings digitally. They are more accurate and feature-rich t...