The M4M 20 multifunction meter is a versatile device designed for engineers. It features 2 digital outputs and bluetooth communication for easy connectivity. With an auxiliary supply of 48-240 VAC/DC at 50/60 Hz, it offers reliable power. The meter has an accuracy class of 0.5S to IEC61557-12 and a degree of protection IP54, ensuring precise measurements and durability. This meter is capable of measuring various parameters including currents, voltages, frequency, power factors, and timers. It provides metering for active energy, reactive energy, apparent energy, and 4 quadrants energy (Import/Export). Additionally, it offers complete monitoring and power quality analysis through data recording and logs. The M4M 20 features a graphic colour display with a 5 pushbutton keyboard for easy navigation. It is designed for panel mounting with dimensions of 96x96 mm.