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Inputs Number: 4 voltage and current (3 phases + neutral) Maximum voltage: 1000 Vrms (6 kV peak) Maximum sampling speed: 200 kS/s on each channel simultaneously Volt/Amps/Hertz Vrms (AC + DC) Measurement range: 1 … 1000 V Accuracy: 0.1% of Vnom Vpeak Measurement range: 1 … 1400 V Accuracy: 5% of Vnom Crest factor, voltage Measurement range: 1.0 … > 2.8 Accuracy: ±5% Arms (AC + DC) Measurement range: 0 … 20 kA Accuracy: ±0.5% ± 5 counts Apeak Measurement range: 0 … 5.5 kA Accuracy: 5% Crest factor, A Measurement range: 1 … 10 Accuracy: ±5% Hz 50 Hz nominal Measurement range: 40 … 70 Hz Accuracy: ±0.01 Hz Dips and swells Vrms (AC+DC) 2Measurement range: 0.0% … 100% of Vnom Accuracy: ±0.2% of nominal voltage Arms (AC+DC) ? Measurement range: 0 …. 20 kA Accuracy: ±1% … ± counts Harmonics Harmonic (interharmonic) (n) Measurement range: DC, 1..50; (Off, 1..49) measured according to IEC 61000-4-7 Vrms Measurement range: 0.0 … 1000 V Accuracy: ±0.05% of nominal voltage Arms Measurement range: 0.0 ± 4000 mV x clamp scaling Accuracy: ±5% ± 5 counts Watts Measurement range: Depends on clamp scaling and voltage Accuracy: ±5% ± n x 2% or reading, ± 10 counts DC voltage Measurement range: 0.0 ± 1000 V Accuracy: ±0.2% of nominal voltage THD Measurement range: 0.0 … 100.0% Accuracy: ±2.5% V and A (± 5% Watt) Hz Measurement range: 0 … 3500 Hz Accuracy: ± 1 Hz Phase angle Measurement range: -360° … +360° Accuracy: ± n x 1.5° Power and energy Watt, VA, VAR Measurement range: 1.0 … 20.00 MVA1 Accuracy: ±1% ± counts kWh, kVAh, kVARh Measurement range: 00.00 … 200.0 GVAh1 Accuracy: ± 1.5% ± 10 counts Power Factor/ Cos ⊕ / DPF Measurement range: 0 … 1 Accuracy: ± 0.03 Flicker Pst (1 min), Pst, Plt, PF5 Measurement range: 0.00 … 20.00 Accuracy: ±5% Unbalance Volts Measurement range: 0.0 … 5.0% Accuracy: ±0.5% Current Measurement range: 0.0 … 20% Accuracy: ± 1% Transient Capture Volts Measurement range: ±6000 V Accuracy: ±2.5% of Vrms Minimum detect duration 5 µs (200kS/s sampling) Inrush mode Arms (AC+DC) Measurement range: 0.000 … 20.00 kA1 Accuracy: ±1% of meas ± 5 counts Inrush duration (selectable) Measurement range: 7.5 s … 30 min Accuracy: ±20 ms (Fnom = 50 Hz) Autotrend recording Sampling: 5 readings/sec continuous sampling per channel Memory: 1800 min, max and avg points for each reading Recording time: Up to 450 days Zoom: Up to 12x horizontal zoom Memory Screens & data: 50, shared memory divided between logging, screens and data sets Notes 1 Depending on clamp scaling 2 Value is measured over 1 cycle, commencing at a fundamental zero crossing, and refreshed each half-cycle The advanced functions Interharmonics, Energy, Transients and Inrush are optional for the Fluke 434 and standard available on the Fluke 435. Environmental Specifications Operating Temperature: 0 °C to +50 °C Safety Specifications Safety EN61010-1 (2nd edition) pollution degree 2; 1000 V CAT III / 600 V CAT IV ANSI/ISA S82.01 Mechanical & General Specifications Size 256 x 169 x 64 mm Weight 1.1 kg Battery Life Rechargeable NiMH pack (installed): >7 hours Battery charging time: 4 hours typical Shock & Vibration Shock: 30 g Vibration: 3 g according to MIL-PRF-28800F Class 2 Case Rugged, shock proof with integrated protective holster, IP51 (drip and dust proof) Warranty 3 years
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