Panel power meter: 1.LCD display 2.RS485 communication port,modbus-RTU 3.CE certificate ... %±0.001ASub-circuit current:1.0%±0.010AMonitoringGreen back-lit LCD display,128*64 lattice,Chinese/English interface,4 displays,4 operation keysCommunicationRS ... -485 port,Mudbugs-RTU protocol; 32(128) meters are connected as a ...