PMAC600A single phase digital voltmeter, LED display voltage value, RS485/ Modbus relay output, 4~20mA analog ... detailed product description PMAC600A single phase digital voltmeter, LED display voltage value, RS485/ Modbus relay output, 4~20mA analog output ... 93x48mm PMAC600A digital power meter offers voltage, current, active power, reactive power,power factor, frequency and ...