Measurements with RMS programmable display average
True RMS voltage L1, L2, L3
True RMS voltage between phases L1-2, L2-3, L3-1
Voltage THD ( total harmonic distortion) L1, L2, L3
Voltage unbalance L1, L2, L3
Line frequency L1, L2, L3
Voltage %HD (harmonic distortion) L1, L2, L3 of harmonic k 0 to 63 (64 harmonics)