The Harmonic Analysis Software (Model 761922) loads data measured by the WT3000E and performs harmonic analysis that complies with the latest IEC61000-3-2 & IEC61000-3-12 standards The harmonic measurement software also performs harmonic measurement tests conforming to the latest IEC 61000- 4-7 (window width is 10 cycles of 50 Hz and 12 cycles of 60 Hz) with WT3000E