A Power Analyzer is a high-precision electrical measurement device used to measure, monitor, and analyze electrical power parameters in real time. It provides detailed information such as voltage, current, power factor, frequency, energy consumption, harmonics, and efficiency. In Bangladesh, Power Analyzers are widely used in industries, laboratories, and power systems to ensure accurate energy measurement and system performance. This device helps engineers and technicians understand how electrical systems are performing under different loads. By providing accurate data, it supports energy auditing, system optimization, and fault detection. Overall, it is an essential tool for improving electrical efficiency and maintaining system reliability.