Multi-function power analyzer meter: 1.LCD display 2.Cumulative power,harmonics measurement,events records 3. ... networking characteristics,as well as functions of programmable ,automated measurement,LCD display ,cumulative power,harmonics measurement,events records(SOE),input( ... 001 -1-0-1Energy: 1.0%DisplayGreen back-lit LCD,5 displays.6 operational keys.Communicatio RS485 port,ModBus-RTU protocol. ...