Three Phase Harmonic Power Analyser DPATT-3Hi For testing Electrical devices/application like transformers, motors & pumps useful for conduction load & No load test. 0.1% R+R Basic Accuracy 1300 V AC Phase to Neutral, 2250 V AC Phase to Phase. RMS Voltage in Phase to Phase, Phase to Neutral & Mean Mode. Direct Measurement Current up to 80A Harmonics up to the 56th order of Voltage and current DC Current (Optional) 0-75mv (Shunt scalable).