PMAC600A single phase digital voltmeter, LED display voltage value, RS485/ Modbus relay output, 4~20mA analog output ... meter 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 ...