A power analyzer is a device used to measure and analyze electrical power in various systems. It provides important data such as voltage, current, frequency, and power factor, helping users understand how efficiently energy is being used. This information is crucial for optimizing energy consumption and identifying potential issues in electrical systems. Power analyzers are commonly used in industries, laboratories, and research facilities. They can help monitor the performance of electrical equipment, ensuring that it operates within safe limits. By analyzing power quality, these devices assist in maintaining the reliability of systems and reducing energy costs over time.