... LED display voltage value, RS485/ Modbus relay output, 4~20mA analog output 93x48 Single phase digital volt meter detailed product ... value, RS485/ Modbus relay output, 4~20mA analog output 93x48mm PMAC600A digital power meter offers voltage, current, active power, reactive ... 4-20mA output or RS485 port, easy installation and small size. Installation size: 90mm x 45mm PMAC600A Single-phase current ...