DP4-RMS Digital Ammeter,Voltmet 1)Accuracy +-0.2%FS+1digit 2)AC/DC current or voltage 3)Modular output: Alarm, RS485 ... DP4-RMS Digital Ammeter/Voltmeter series are ... performance ammeter, voltmeter, current meter, voltage meter, power meter, pannel meter, ohmmeter, high-impendence ohmmeter DP4-RMS Intelligent Digital DC/AC Ammeter/ ...