... ΩAccuracyRMS measurement, CLASS 0.2Frequency40~60Hz, accuracy 0.2HzFunctionActive power, Reactive power, Apparent power, Accuracy: 0.5 classElectric energyFour quadrant measurement ... , active poweraccuracy rate0.5 class, reactive power accuracy rate0.5 classDisplayProgrammable, switching, circular two, three, or ...