FU2200B is a three-phase multfuncton power and energy meter manufactured by GFUVE. The meter provide excellent value for monitoring power and energy management systems. It may be used as data gathering devices for intelligent power distributon or plant automaton systems. All monitored data is available via a standard digital RS485 communicaton port running the Modbus RTU protocol. It has the PC sofware and the data logger function, which can set by end users from 1min to 60min intervals to record. You can read the data through a PC. Also, you can share the data in the Internet LAN. By the way, it can measure the harmonics. With a wide range of models to choose from, the FU2200B power meter offers unparalleled value and functonality.