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EMC / EMI Testing Laboratory
Current Harmonic Analyzer 2  ·  Zero-padded FFT · ITU-T O.41 · THD

Analysis & Scaling

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Oscilloscope export: col 1 = time, col 2 = voltage
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Set the scaling factor, upload a scope CSV, and tap “Run Harmonic Analysis”.

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Fundamental f₀
— Hz
Sampling fs
— Sa/s
Nyquist
— Hz
Total Irms
— A
Ipp
— A
16.66 Hz Irms
— A
THD
— %
Psophometric Ipso (ITU-T O.41)
— mA

Time Domain & Current Spectrum

Time Domain Current
Amplitude Spectrum

Harmonic Breakdown & Psophometric Weighting

Order Nominal (Hz) Observed (Hz) Vrms (mV) Irms (A) Weight pf Weighted I (A) Rel. (dBc) Status