The NA5PLUS MRU44200M0 with Meter is a digital, programmable panel meter manufactured by the Polish company LUMEL. This meter has a 400g capacity and features an RS485 interface for communication. It is specifically designed to measure and display, in both analog and digital forms, a suite of different electrical parameters such as current, voltage, power, energy, frequency, temperature, and more. It is also capable of performing a variety of control functions, such as automatic switching between parameters, periodical updates to parameters, and alarms if any of the parameters go out of set range. The NA5PLUS is equipped with an LCD display to provide visual feedback of the measurements and can be programmed with up to 220 measuring, monitoring, and control functions.