Điểm nổi bật
| Voltage inputs | |
| Number of inputs | 4 (3 phase + neutral) dc-coupled |
| Maximum input voltage | 1000 Vrms |
| Nominal voltage range | Selectable 1 V to 1000 V |
| Max. peak measurement voltage | 6 kV (transient mode only) |
| Input impedance | 4 MΩ//5 pF |
| Bandwidth | > 10 kHz, up to 100 kHz for transient mode |
| Scaling | 1:1, 10:1, 100:1, 1,000:1 10,000:1 and variable |
| Current inputs | |
| Number of inputs | 4 (3 phase + neutral) dc- or ac-coupled |
| Type | Clamp or current transformer with mV output or i430flex-TF |
| Range | 0.5 Arms to 600 Arms with included i430flex-TF (with sensitivity 10x) 5 Arms to 6000 Arms with included i430flex-TF (with sensitivity 1x) 0.1 mV/A to 1 V/A and custom for use with optional ac or dc clamps |
| Input impedance | 1 MΩ |
| Bandwidth | > 10 kHz |
| Scaling | 1:1, 10:1, 100:1, 1,000:1 10,000:1 and variable |
| Sampling system | |
| Resolution | 16 bit analog to digital converter on 8 channels |
| Maximum sampling speed | 200 kS/s on each channel simultaneously |
| RMS sampling | 5000 samples on 10/12 cycles according to IEC61000-4-30 |
| PLL synchronization | 4096 samples on 10/12 cycles according to IEC61000-4-7 |
| Nominal frequency | 434-II and 435-II: 50 Hz and 60 Hz 437-II: 50 Hz, 60 Hz and 400 Hz |
| Display modes | |
| Waveform display | Available in all modes via SCOPE key 435-II and 437-II: Default display mode for Transients function Update rate 5x per second Displays 4 cycles of waveform data on screen, up to 4 waveforms simultaneously |
| Phasor diagram | Available in all modes via Scope waveform display Default view for Unbalance mode |
| Meter readings | Available in all modes except Monitor and Transients, provides tabulated view of all available readings Fully customizable up to 150 readings for Logger mode |
| Trend graph | Available in all modes except Transients Single vertical cursor with min max and avg reading at cursor position |
| Bar graph | Provides 50/60** cycles of waveform information and associated 1/2 cycle rms values for Volts and Amps |
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