The M4M 30 multifunction meter is a versatile device designed for engineers. It features 4 programmable I/O, bluetooth and Modbus TCP/IP communication capabilities. The meter can be powered by an auxiliary supply of 48-240 VAC/DC at 50/60 Hz. With an accuracy class of 0.5S to IEC61557-12 and a degree of protection rating of IP54, this meter ensures precise measurements and reliable performance. The M4M 30 offers multi-measurement capabilities, including currents, voltages, frequency, power factors, and timers. It supports metering for active energy, reactive energy, apparent energy, 4 quadrants energy (Import/Export), and tariffs. In addition to its measurement functions, the meter also provides power quality analysis and energy efficiency evaluations. The touchscreen colour display allows for easy navigation and monitoring of data. With its panel mount design measuring 96x96 mm, the M4M 30 is a compact and convenient solution for various engineering applications.