Fluke 434, 3-Phase Power/Electrical Meter

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Fluke 434
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The Fluke 434, 3-Phase Power/Electrical Meter is part of the Fluke 430 Series of power quality analyzers. The Fluke 434 helps you locate, predict, prevent and troubleshoot problems in power distribution systems. The easy-to-use handheld is a quality tool for any person who maintains or troubleshoots three phase distribution. The new IEC standards for flicker and power quality are built right in to take the guess work out of monitoring.
Fluke 434 Features
  • Records all your necessary values in a three phase system
  • Minimal setup required with intuitive menus
  • Highest safety rating in the industry
  • Four voltage and four current channels
  • Captures waveform data on all phases simultaneously
  • System-Monitor: Six power quality parameters on one dashboard
  • Automatic Transient display: Never miss an event
  • Auto Trend: Don't waste time setting up recordings
  • Rugged, handheld recorder
  • Seven hours operating time per charge on NiMH battery pack
  • Transfer data files to your PC for reporting and analysis using FlukeView® software
Fluke 434 Specs
Input characteristics
Voltage inputs
Number of inputs: 4 (3 phases + neutral)
Maximum input voltage: 1000 Vrms
Maximum peak voltage: 6 kV
Input impedance: 4 MW / 5 pF
Bandwidth: 9 kHz, up to 100 kHz for transient display
Scaling: 1:1, 10:1, 100:1, 1000:1 and variable
Current inputs
Number of inputs: 4 (3 phases + neutral)
Type: Clamp on current transformer with mV output

1 to 400 Arms with included clamps (I400S) 0.1 to 3000 Arms with optional clamps

Input impedance: 50 kW
Bandwidth: 9 kHz
Scaling: 0.1, 1, 10, 100, 1000 mV/A and variable
Nominal frequency: 40 to 70 Hz
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 10/122 cycles according IEC 61000-4-30
PLL synchronization: 4096 samples on 10/122 cycles according IEC 61000-4-7
Display modes
Waveform display:

Available in Scope and Transient mode
Captures 8 waveforms simultaneously
Display update rate 5 x per second
Up to 10/12 times horizontal zoom
Cursors: Single vertical line showing min, max, avg reading at cursor position


Shows real time phasor diagram
Available in Scope and Unbalance mode
Display update rate 5 x per second

Matrix readings:

Available in Volts/Amps/Hertz, Harmonics, Power & Energy, Flicker and Unbalance mode

AutoTrend graph:

Available in Volts/Amps/Hertz, Dips & Swells, Harmonics, Power & Energy, Flicker, Unbalance, Inrush and Monitor mode
Cursors: single vertical line showing with min, max, avg reading at cursor position

Bar graph: Available in Harmonics and Monitor mode
Event list: Available in Dips & Swells and Monitor mode