A Digital Multi-function Meter is an advanced electronic device that measures, monitors, and displays multiple electrical parameters, including voltage, current, power, frequency, energy, and power factor. It provides high accuracy, real-time data, and often includes features such as programmable alarms, data logging, and communication interfaces like Modbus for integration with control systems. Widely used in industrial automation, energy management, power distribution, and smart grid applications, digital multi-function meters enable comprehensive monitoring and analysis of electrical systems. By providing detailed insights into energy usage and system performance, they support fault detection, energy optimization, and enhanced operational efficiency, making them essential tools for modern electrical and industrial environments.