Fluke 434/435
Users Manual
MEASUREMENT MODES
Scope | Vrms, Arms, Vcursor, Acursor, Vfund, Afund, Hz, V phase angles, A phase |
| angles |
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Volts/Amps/Hertz | Vrms, Vpk, V Crest Factor, Arms, Apk, A Crest Factor, Hz |
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Dips and Swells | Vrms½, Arms½ |
| Captures up to 1000 events with date, time, duration, magnitude and phase |
| identification with programmable thresholds |
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Harmonics | Harmonic Volts, THD Volt, Harmonic Amps, THD Amps, K Amps, Harmonic |
DC, 1 … 50 | Watts, THD Watts, K Watts, Interharmonic Volts4, Interharmonic Amps4 |
| (relative to fundamental or to total rms) |
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|
Power and Energy | Watts, VA, VAR, Power factor, Cos ϕ / DPF, Arms, Vrms, kWh, kVAh, KVARh, |
| peak demand interval using trend, KYZ revenue meter verification via optional |
| input. |
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Flicker | Pst(1min), Pst, Plt, PF5, Vrms½, Arms½, Dc, Dmax, TDEX |
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Unbalance | Vneg, Vzero, Aneg, Azero, Vfund, Afund, Hz, V phase angles, A phase angles |
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Transients | Vrms, Arms, Vcursor, Acursor |
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Inrush Currents | Inrush Current, Inrush duration, Arms½, Vrms½ |
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Mains Signaling4 | Relative signaling voltage and absolute signaling voltage averaged over three |
| seconds for two customer selectable frequencies |
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Logger4 | Measures and records up to 100 parameters on all 4 phases simultaneously |
| with selecable averaging time. |
| Captures up to 10000 events with date, time, duration, magnitude and phase |
| identification with programmable thresholds |
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|
System Monitor | Vrms, Arms, Harmonic Volts, THD Volts, Plt, Vrms½, Arms½, Vneg, Hz, dips |
| and swells, unbalance. All parameters are measured simultaneously in |
| accordance with EN50160. |
| Using Flagging to indicate unreliable readings according |
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