... Ammeter,Voltmet 1)Accuracy +-0.2%FS+1digit 2)AC/DC current or voltage 3)Modular output: Alarm, RS485 ... performance, adopts modern advanced SMT technology, Modular Structure, to aim to industrial power application.FeaturesMeasured Accuracy: +-(o.2%FS+1) DigitalPower ... and performance ammeter, voltmeter, current meter, voltage meter, power meter, pannel meter, ohmmeter, high-impendence ohmmeter DP4-RMS ...