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Fluke 435-II Three-Phase Power Quality and Energy Analyzer with Class A and PowerWave

SKU: CP104343
Model: 435-II
Product Condition: Certified Pre-owned
$5,499.95

Fluke 435-II power quality and energy analyzer for Class A three-phase testing, with PowerWave capture, transient analysis, harmonics, flicker, mains signaling, energy loss measurement, and power distribution troubleshooting.

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One year warranty
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Product Description

Power Quality and Energy Analysis with the Fluke 435-II

The Fluke 435-II is a Series II three-phase power quality and energy analyzer built to solve power distribution problems that are difficult to isolate with standard electrical measurements. It combines Class A power quality testing, event capture, trend recording, and energy loss analysis to help pinpoint disturbance patterns, wasted energy, and system behavior across single-phase and three-phase distribution systems.

Simultaneous Electrical Capture for Fault Isolation

  • Measures four voltage and four current channels to evaluate phase and neutral behavior together.
  • Records displayed measurements automatically to expose minimum, maximum, and average trend patterns.
  • Captures dips, swells, interruptions, inrush behavior, and waveform events for event-based troubleshooting.
  • Displays voltage and current waveforms to reveal signal shape, timing, and phase behavior.

Class A Measurement and Advanced PQ Analysis

  • IEC 61000-4-30 Class A compliance supports standardized power quality measurement.
  • PowerWave captures fast RMS data, half-cycle values, and waveforms for dynamic electrical events.
  • Transient mode captures 200 kHz waveform data on all phases simultaneously up to 6 kV.
  • Flicker and mains signaling modes identify voltage fluctuation and ripple-control interference behavior.
  • Energy loss calculation quantifies losses from reactive power, harmonics, unbalance, and neutral current.

Electrical Distribution Troubleshooting Applications

  • Locate, predict, prevent, and troubleshoot power quality problems in single-phase and three-phase systems.
  • Analyze harmonics, unbalance, transients, flicker, and energy loss in facility and industrial power systems.
  • Monitor power quality parameters according to EN50160 power quality standard behavior.
Specifications
Specifications
MPN Fluke-435-II
Product Condition Certified Pre-owned
Shipping Length (in.) 24
Shipping Width (In.) 18
Shipping Height (In.) 14
Item Returns This item can be returned
Input Characteristics
Voltage Inputs4 inputs, 3 phase plus neutral, DC-coupled
Maximum Input Voltage1000 Vrms
Nominal Voltage RangeSelectable 1 V to 1000 V
Maximum Peak Measurement Voltage6 kV, transient mode only
Voltage Input Impedance4 MΩ // 5 pF
Voltage Input Bandwidth>10 kHz; up to 100 kHz for transient mode
Voltage Scaling1:1, 10:1, 100:1, 1,000:1, 10,000:1, and variable
Current Inputs4 inputs, 3 phase plus neutral, DC- or AC-coupled
Current Input TypeClamp or current transformer with mV output, or i430-FLEXI-TF
Current Range with i430-FLEXI-TF0.5 Arms to 600 Arms at 10x sensitivity; 5 Arms to 6000 Arms at 1x sensitivity
Current Input Impedance1 MΩ
Current Input Bandwidth>10 kHz
Current Scaling1:1, 10:1, 100:1, 1,000:1, 10,000:1, and variable
Measurement Modes
Scope4 voltage waveforms, 4 current waveforms, Vrms, Vfund, Arms, Afund, V at cursor, A at cursor, and phase angles
Volts / Amps / HertzVrms phase-to-phase, Vrms phase-to-neutral, Vpeak, voltage crest factor, Arms, Apeak, current crest factor, and Hz
Dips and SwellsVrms½, Arms½, Pinst, and programmable threshold levels for event detection
HarmonicsDC and 1st to 50th harmonic order; volts, THD, harmonic amps, K-factor amps, harmonic watts, THd watts, K-factor watts, interharmonic volts, interharmonic amps, Vrms, and Arms
Power and EnergyVrms, Arms, Wfull, Wfund, VAfull, VAfund, VAharmonics, VAunbalance, var, PF, DPF, CosQ, efficiency factor, Wforward, and Wreverse
Energy Loss CalculatorWfund, VAharmonics, VAunbalance, var, A, loss active, loss reactive, loss harmonics, loss unbalance, loss neutral, and loss cost based on user-defined cost per kWh
Inverter EfficiencyWfull, Wfund, Wdc, efficiency, Vdc, Adc, Vrms, Arms, and Hz; requires optional DC current clamp
UnbalanceVneg%, Vzero%, Aneg%, Azero%, Vfund, Afund, voltage phase angles, and current phase angles
InrushInrush current, inrush duration, Arms½, and Vrms½
MonitorVrms, Arms, harmonic volts, THD volts, PLT, Vrms½, Arms½, Hz, dips, swells, interruptions, rapid voltage changes, unbalance, and mains signaling
FlickerPst(1min), Pst, Plt, Pinst, Vrms½, Arms½, and Hz
TransientsTransient waveforms for 4 voltage and 4 current channels; triggers include Vrms½, Arms½, and Pinst
Mains SignalingRelative signaling voltage and absolute signaling voltage averaged over three seconds for up to two selectable signaling frequencies
PowerWaveVrms½, Arms½, W, Hz, and scope waveforms for voltage, amps, and watts
LoggerCustom selection of up to 150 power quality parameters measured simultaneously on 4 phases
Sampling and Recording
Standard ComplianceIEC 61000-4-30 Class A
Sampling Resolution16-bit analog-to-digital converter on 8 channels
Maximum Sampling Speed200 kS/s on each channel simultaneously
RMS Sampling5000 samples on 10/12 cycles according to IEC 61000-4-30
PLL Synchronization4096 samples on 10/12 cycles according to IEC 61000-4-7
Nominal Frequency50 Hz and 60 Hz
Trend RecordingAutomatically records minimum, maximum, and average values over time for displayed readings across three phases and neutral simultaneously
Trend Recording Time1 hour to 1 year, user selectable; default setting 7 days
Memory8 GB SD card standard; up to 32 GB optional
Measurement Ranges and Accuracy
Vrms Range1 V to 1000 V phase-to-neutral
Vrms Resolution0.01 V
Vrms Accuracy±0.1% of nominal voltage
Peak Voltage Range1 Vpk to 1400 Vpk
Current Range5 A to 6000 A with i430-FLEXI-TF at 1x; 0.5 A to 600 A with i430-FLEXI-TF at 10x
Current Accuracy±0.5% ±5 counts, excluding clamp accuracy
Frequency Range42.500 Hz to 57.500 Hz at 50 Hz nominal; 51.000 Hz to 69.000 Hz at 60 Hz nominal
Frequency Resolution0.001 Hz
Frequency Accuracy±0.01 Hz
Power MeasurementWatts, VA, and var; maximum 6000 MW with i430-FLEXI-TF
Power Accuracy±1% ±10 counts
Power Factor Range0 to 1
Energy MeasurementkWh, kVAh, kvarh, and energy loss
Harmonic OrderDC and 1st to 50th harmonic order
THD Range0.0% to 100%
Flicker RangePlt, Pst, Pst(1min), and Pinst from 0.00 to 20.00
Unbalance RangeVoltage unbalance 0.0% to 20.0%; current unbalance 0.0% to 20.0%
Mains Signaling Frequency60 Hz to 3000 Hz
Display and Interfaces
Waveform DisplayAvailable in all modes via SCOPE key; displays 4 cycles of waveform data on screen, up to 4 waveforms simultaneously
Display Update Rate5 times per second
Display Size127 mm x 88 mm LCD; 153 mm / 6.0 in diagonal
Display Resolution320 x 240 pixels
Brightness200 cd/m² typical using power adapter; 90 cd/m² typical using battery power
Phasor DiagramAvailable in all modes via Scope waveform display; default view for Unbalance mode
Trend GraphAvailable in all modes except Transients; includes single vertical cursor with minimum, maximum, and average reading at cursor position
Event ListAvailable in all modes; includes waveform capture on 435-II
InterfacesMini-USB-B, isolated USB port for PC connectivity, and SD card slot behind battery
Power, Safety, and Environmental
BatteryBP290 single-capacity lithium-ion battery, 28 Wh
Battery Operating TimeUp to 8 hours
Power AdapterBC430 power adapter
Safety Rating600 V CAT IV / 1000 V CAT III
Case DesignRugged, shock-proof case with integrated protective holster
Ingress ProtectionIP51 according to IEC 60529 when used in tilt stand position
Shock and VibrationShock 30 g; vibration 3 g sinusoid and random 0.03 g²/Hz according to MIL-PRF-28800F Class 2
Operating Temperature0 °C to +40 °C; +40 °C to +50 °C excluding battery
Storage Temperature-20 °C to +60 °C
Humidity+10 °C to +30 °C: 95% RH non-condensing; +30 °C to +40 °C: 75% RH non-condensing; +40 °C to +50 °C: 45% RH non-condensing
Maximum Operating AltitudeUp to 2,000 m for CAT IV 600 V / CAT III 1000 V; up to 3,000 m for CAT III 600 V / CAT II 1000 V
Maximum Storage Altitude12 km / 40,000 ft
EMCEN 61326 for emission and immunity
What's in the box?
  • 1 x Fluke 435-II Series II Power Quality and Energy Analyzer
  • 1 x Fluke TL430 Test Lead Set
  • 4 x Fluke i430-FLEXI-TF Thin Flexi Current Probes
  • 1 x Fluke BP290 Lithium-Ion Battery Pack
  • 1 x Fluke BC430 Power Adapter with NEMA 5-15P Plug Adapter
  • 1 x Fluke USB Cable A-B Mini
  • 1 x Fluke PowerLog Software CD
  • 1 x USB Flash Drive
  • 1 x Fluke WC100 Color Localization Set
  • 1 x Fluke 434-II/435-II/437-II Users Manual
  • 1 x Fluke Manual Supplement Set
  • 1 x Fluke Connect for Power Quality Analyzer Quick Start Guide
  • 1 x Fluke C1740 Soft Carrying Case
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