The M4M 20 multifunction meter is a versatile device designed for engineers. It features 2 digital outputs, bluetooth and Modbus RTU communication, and 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 IP54, this meter ensures precise measurements and reliable performance. The meter offers multi-measurement capabilities, including currents, voltages, frequency, power factors, and timers. It supports metering for active energy, reactive energy, apparent energy, and 4 quadrants energy (Import/Export). Additionally, it provides complete monitoring and power quality analysis through data recording and logs. Featuring a graphic colour display with a 5 pushbutton key board, the M4M 20 meter offers easy navigation and intuitive operation. It is designed for panel mount installation with dimensions of 96x96 mm.