The M4M 30 multifunction meter is a versatile device designed for engineers. It features 4 programmable I/O, accepts Rogowski coils, and supports Bluetooth and Modbus RTU communication. The meter has an auxiliary supply of 48-240 VAC/DC at 50/60 Hz. It offers high accuracy with a class of 0.5S according to IEC61557-12 and has a degree of protection rated as IP54. This meter allows for multiple measurements including currents, voltages, frequency, power factors, and timers. It provides metering capabilities for active energy, reactive energy, apparent energy, and 4 quadrants energy (Import/Export) with support for tariffs. Additionally, it offers power quality analysis and energy efficiency evaluations. The M4M 30 features a touchscreen colour display for easy navigation and comes in a panel mount design with dimensions of 96x96 mm.