... 32 parameters 3 line LED display DW series digital 3-phase multifunction Power MeterDW/MDW 3 line 4 digits LED displayFeatures ... : RS232/RS485 interface, MODBUS RTU procotol. connectable with other equipment, computer and PLC.6) Dimemsion: DW4:48*48*80 DW8 ... ,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, ...