... LCD or LED display 4.factor directly sales multifunction power meter can high-accuracy survey three phase parameter: the three ... pulse output function.with modbus-RTU, and LCD display.and RS-485 communication.and work with PLC. measure:three-phase voltage, ... ,AC380V,DC2V,DC20V,DC200V,DC600V singal phase , one phase meter whole sales single phase 96x96 LCD display multifunction digital power meter