Fluke 434 3-Phase Power Quality Analyzer

Fluke 434 3-Phase Power Quality Analyzer
  • Features & specifications

  • 3Φ Power Quality Analyzer
  • Auto trend analysis in background
  • System monitor gives immediate quality feedback
  • Automatic transient display
  • Rugged handheld instrument
  • Menu-driven interface simplifies operation
  • More than 7 hours operation on NiMH rechargeable battery pack
  • Transfer data to PC for analysis with software (included)
  • Available for rent or for sale Used

Input characteristics
Number of inputs (voltage) 4 (3 phases + neutral) dc-coupled
Maximum input voltage 1000 Vrms
Nominal voltage range 50 V to 500 V according IEC 61000-4-30. Selectable from 1 V to 1000 V.
Maximum peak measurement voltage 6 kV
Input impedance (voltage input) 4 MΩ//5 pF
Bandwidth > 10 kHz, up to 100 kHz for transient display
Scaling 1:1, 10:1, 100:1, 1000:1 and variable
Number of inputs (current) 4 (3 phases + neutral) dc-coupled
Type Clamp on current transformer with mV output
Range 1 Arms to 400 Arms with included clamps (i400s/Fluke 434)
1 Arms to 3000 Arms with optional clamps
Input impedance (current input) 50 kΩ
Bandwidth > 10 kHz
Scaling 0.1, 1, 10, 100, 1000 mV/A, variable, i5s and i430-flex
Nominal frequency 40 Hz to 70 Hz
Resolution (sampling) 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 IEC 61000-4-30
PLL synchronization 4096 samples on 10/12 cycles according IEC 61000-4-7

Display Modes
Waveform display Available in Scope and Transient mode
Captures 8 waveforms simultaneously
Display update rate 5x per second
Up to 10/12 times horizontal zoom
Cursors: single vertical line showing min, max, avg reading at cursor position
Phasor Shows real time phasor diagram
Available in Scope and Unbalance mode
Display update rate 5x per second
Meter readings Available in Volts/Amps/Hertz, Harmonics, Power and Energy, Flicker, Unbalance and Logger mode
AutoTrend graph Available in Volts/Amps/Hertz, Dips and Swells, Harmonics, Power and Energy, Flicker, Unbalance, Inrush, Mains Signaling Logger and Monitor mode
Cursors: single vertical line showing with min, max, avg reading at cursor position
Bargraph Available in Harmonics and Monitor mode
Event list Available in Dips and Swells, Mains Signaling, Logger and Monitor mode

Measurement modes
Scope Vrms, Arms, Vcursor, Acursor, Vfund, Afund, Hz, V phase angles, A phase angles
Volts/Amps/Hertz Vrms, Vpk, V Crest Factor, Arms, Apk, A Crest Factor, Hz
Dips and swells Vrms ½, Arms ½
Captures up to 1000 events with date, time, duration, magnitude and phase identification with programmable thresholds
Harmonics dc, 1 to 50 Harmonic Volts, THD Volt, Harmonic Amps, THD Amps, K Amps, Harmonic Watts, THD Watts, K Watts, Interharmonic, Interharmonic Amps (relative to fundamental or to total rms)
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.
Flicker Pst(1min), Pst, Plt, PF5, Vrms ½, Arms ½, Dc, Dmax, TD
Unbalance Vneg, Vzero, Aneg, Azero, Vfund, Afund, Hz, V phase angles, A phase angles
Transients Vrms, Arms, Vcursor, Acursor
Inrush currents Inrush Current, Inrush duration, Arms ½, Vrms ½
Mains signaling Relative signaling voltage and absolute signaling voltage averaged over three seconds for two selectable frequencies
Logger 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
System monitor Vrms, Arms, Harmonic Volts, THD Volts, Plt, Vrms ½, Arms ½, Vneg, Hz, dips and swells, unbalance
All parameters are measured simultaneously in accordance with EN50160
Using Flagging to indicate unreliable readings according IEC61000-4-30

Accuracy, resolution and range
Parameter Range Resolution Accuracy
Vrms (ac+dc) 1 Vrms to 1000 Vrms 0.1 Vrms ± 0.5 &337; of nominal voltage
Vpk 1 Vpk to 1400 Vpk 1 V 5 % of nominal voltage
Voltage Crest Factor (CF) 1.0 to > 2.8 0.01 ± 5 %
Arms (ac+dc)
with i400S CT
0 kArms to 20.00 kArms
0 Arms to 40/400 Arms
0.001 Arms to 10 Arms
0.1 to 1 Arms
± 1 % ± 5 counts
± 1 &337; ± 5 counts
Apk using 1 mV/A scaling 0 Apk to 5500 Apk 1 A ± 5 %
A Crest Factor (CF) 1 to 10 0.01 ± 5 %
50 Hz nominal frequency
60 Hz nominal frequency
42.50 Hz to 57.50 Hz
51.00 Hz to 69.00 Hz
0.01 Hz
0.01 Hz
± 0.01 Hz
± 0.01 Hz

Dips and swells
Parameter Range Resolution Accuracy
Vrms½ (ac+dc) 0.0 % to 200 % of nominal voltage 0.1 Vrms ± 1 % of nominal voltage
Arms½ (ac+dc)
with i400s
0 Arms to 20,000 Arms
0 Arms to 400 Arms
0.001 Arms to 10 Arms
0.1 Arms and 1 Arms
± 2 % ± 10 counts
Threshold levels Programmable thresholds in percent of nominal voltage
Event detection based upon ½ cycle rms voltages
Captures dips, swells, interruptions and rapid voltage changes
Duration hhh,mm,ss,mmm Half cycle One cycle

Harmonics
Parameter Range Resolution Accuracy
Harmonic order (n) DC, 1 to 50 grouping: harmonic groups according to IEC 61000-4-7
Inter-Harmonic order Off, 1 to 49 grouping: harmonic and interharmonic subgroups according to IEC 61000-4-7
Vrms Relative (%f)
Vrms Absolute
0.0 % to 100.0 %
0 Vrms to 1000 Vrms
0.1 %
0.1 Vrms
± 0.1 % ± n x 0.1 % (± 0.4 % for %r)
± 5 % ± 2 counts
Arms Relative (%f)
Arms Absolute
0.0 % to 100.0 %
0.0 mV to 4000 mV x clamp scaling
0.1 %
1 mVrms x clamp scaling
± 0.1 % ± n x 0.1 % (± 0.4 % for %r)
± 5 % ± 5 counts
Watts - Relative:
(Harmonics only - Absolute:
0.0 % to 100.0 %
depends on clamp and voltage scaling
0.1 % ± n x 2 %
± 5 % ± n x 2 % ± 10 counts
DC - Relative:
DC - Absolute V:
DC - Absolute A:
DC - Absolute W:
0.0 % to 100.0 %
0.0 V to 1000 V
0.0 mV to 4000 mV x clamp scaling
depends on clamp and voltage scaling
0.1 %
0.1 V
1 mVrms x clamp scaling 0.1 V
depends on scaling
± 0.1 % V and A (± 2 % Watt)
± 5 % ± 10 counts
± 5 % ± 10 counts
± 5 % ± 10 counts
THD(n=40) - (relative %f or %r) 0.0 % to 100.0 % 0.1 % ± 2.5 % V and A (± 5 % Watt)
Hz 0 Hz to 3500 Hz 1 Hz ± 1 Hz
Phase angle -360 ° to +0 ° 1 ° ± n x 1.5 °

General Specifications
Case design Rugged, shock proof with integrated protective holster
Drip and dust proof IP51 according to IEC60529 when used in tilt stand position
Shock and vibration Shock 30 g, vibration: 3 g sinusoid, random 0.03 g2/Hz according to MIL-PRF-28800F Class 2
Display type Bright full-color LCD with CCFL backlight, 80 cd/m2
Display size 115.2 mm x 86.4 mm (4.5 in x 3.4 in)
Resolution 320 x 240 pixels
Contrast and brightness User-adjustable, temperature compensated
Screen memory 50 screen memories
Data memory 10 data memories for storing data including recordings
Logger User configurable shared memory, up to 7 MB
Limit templates 2 preprogrammed, 2 administrator (programmable via FlukeView®), 2 user locations
Real-time clock Time and date stamp for AutoTrend, Transient display and SystemMonitor
Dimensions & weight (256 x 169 x 64)mm, (10 x 6.5 x 2.5)in, 2 kg (4.5 lb)
Line power Switchable 115 V, 230 V adapter with country specific plug
Power adapter 15 V dc to 23 V dc; use only power adapter BC430
Battery power Rechargeable NiMH BP190 (installed)
Battery operating time > 7 hours
Battery charging time 4 hours, 8 hours for/006 version (instrument off)
Power saving Adjustable time for dimmed backlight with on screen power indicator
Measurement standards IEC 61000-4-30 Class-A
Measurement performance IEC 61000-4-30 Class-B
Power quality standard EN 50160
Flicker standard IEC 61000-4-15
Harmonics standard IEC 61000-4-7
Cross talk between V inputs -60 dB at nominal frequency
Cross talk V to I input -95 dB at nominal frequency
Safety standards IEC/EN 61010-1-2001; CAN/CSA C22.2 No 61010-1-04; UL std No 61010-1
Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use, Part 1: General requirements. Rated: 600 V CAT IV/1000 V CAT III Pollution Degree 2
Max voltage on banana input 1000 V CAT III/600 V CAT IV
Max voltage on current BNC input 42 Vpeak
Operating temperature 0 °C to +50 °C (32 °F to 122 °F) battery only, 0 °C to +40 °C (32 °F to 104 °F) with adapter, within spec +15 °C to +35 °C (59 °F to 95 °F)
Storage temperature -20 °C to +60 °C (-4 °F to +140 °F)
Printers and Interface Serial, optically isolated. Compatible with PM9080 (RS-232) or OC4USB (USB)
Baud rate: 1200, 2400, 9600 to 115 kB
Print protocol Epson FX/LQ, Deskjet, LaserJet , DPU-414