Fluke 437-II Measurement Modes | |||
Scope | 4 voltage waveforms, 4 current waveforms, Vrms, Vfund. Arms, A fund, V @ cursor, A @ cursor, phase angles | ||
Volts/amps/hertz | Vrms phase to phase, Vrms phase to neutral, Vpeak, V Crest Factor, Arms Apeak, A Crest Factor, Hz | ||
Dips and swells | Apeak, A Crest Factor, Hz Dips and swells | ||
Harmonics dc, 1 to 50, up to 9th harmonic for 400 Hz | Harmonics Volts, THD, Harmonic Amps, K factor Amps, Harmonic Watts, THd Watts, K factor Watts, Interharmonic Volts, Interharmonic Amps, Vrms, Arms (relative to fundamental or to total rms) | ||
Power and energy | Vrms, Arms, Wfull, Wfund., VAfull, VAfund., VAharmonics, VAunbalance, var, PF, DPF, CosQ, Efficiency factor, Wforward, Wreverse | ||
Energy loss calculator | Wfund, VAharmonics, VAunbalance, var, A, Loss Active, Loss Reactive, Loss Harmonics, Loss Unbalance, Loss Neutral, Loss Cost (based upon user defined cost / kWh) | ||
Inverter efficiency(requires optional dc current clamp) | Wfull, Wfund, Wdc, Efficiency, Vdc, Adc, Vrms, Arms, Hz | ||
Unbalance | Vneg%, Vzero%, Aneg%, Azero%, Vfund, Afund, V phase angles, A phase angles | ||
Inrush | Inrush current, Inrush duration, Arms½, Vrms½ | ||
Monitor | Vrms, Arms, harmonic Volts, THD Volts, PLT, Vrms½, Arms½, Hz, dips, swells, interruptions, rapid voltage changes, unbalance and mains signalling. All parameters are measured simultaneously in accordance with EN50160. Flagging is applied according to IEC61000-4-30 to indicate unreliable readings due to dips or swells | ||
Flicker | Pst(1min), Pst, Plt, Pinst, Vrms ½, Arms ½, Hz | ||
Transients | Transient waveforms 4x Voltage 4x Amps, triggers: Vrms ½, Arms ½, Pinst | ||
Mains Signaling | Relative signaling voltage and absolute signaling voltage averaged over three seconds for up to two selectable signaling frequencies | ||
Power Wave | Vrms½, Arms½ W, Hz and scope waveforms for voltage amps and watts | ||
Logger |
Custom selection of up to 150 PQ parameters measured simultaneously on 4 phases |
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