Power Meter Design service Input:true value three phase measure( ... 5) Comunication: RS232/RS485 interface, MODBUS RTU procotol. connectable with other equipment, computer and PLC.6) Dimemsion: DW4:48*48 ... ,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid ...