Extech PQ3470: 3-Phase Graphical Power & Harmonics Analyzer/Datalogger


  • Large dot-matrix, sun-readable, numerical, backlit LCD with easy-to-use onscreen menu
  • Full system analysis with up to 35 parameters:
    - V (phase-to-phase), V (phase-to-ground)
    - A (phase-to-ground)
    - KW / KVA / KVAR / PF (phase)
    - KW / KVA / KVAR / PF (system)
    - KWH / KVAH / KVARH / PFH (system)
    - Phase angle
  • Optional 200A, 1200A Current Clamps or 3000A Flexible Current Probes (sold separately)
  • Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio for high power distribution systems
  • Simultaneous display of Harmonics and Waveform
  • Analysis of Total Harmonic Distortion (THD)
  • Graphic Phase diagram with 3-Phase system parameters
  • 3-phase Voltage or Current Unbalanced Ratio (VUR, AUR) and unbalanced factor
  • Capture Transient events (including dip, swell, and outage) with programmable threshold (%)
  • Log up to 30,000 reading on a removable SD memory card in Microsoft Excel® format
  • Wide sampling rate range (2 seconds to 2 hours)
  • Built-in Clock and Calendar
  • Complete with 4 voltage leads with alligator clips, 8 AA batteries, SD card, 100-240V AC adaptor and case. Clamp probes sold separately.

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