CPG 4040-1R is a smart energy meter manufactured by Elmeasure that is used to measure and control energy usage in both commercial and industrial applications. It is a 3-phase 4-wire meter that is compliant with IEC-62053-21 and IEC-62053-23 regulations. This meter is designed to be connected to various building automation systems and measure power, energy (active, reactive, apparent), frequency, power factor, and harmonics. It displays graphical and tabulated data in real-time on its LCD display, and also has a built-in Ethernet port for remote access. This meter is equipped with a wide range of security features, including data encryption, password protection, and access control.