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Harmonics/Leakage Testers
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pq3350-1

3-Phase Power & Harmonics Analyzers

Extech Instruments
PQ3350-1
Complete with 1200A 12" flexible current clamp probes
  • Datalogging of single and 3-phase/3-wire or 3-phase/4-wire systems (up to 52,428 single phase readings or 17,476 3-phase readings)
  • Flexible clamp probes can be used for wrapping around bus bars and wire bundles
  • Large backlighting LCD displays up to 35 parameters in one screen
  • Clamp-on True RMS power measurements with on-screen Harmonics display
  • Simultaneous display of Harmonics and Waveform
  • Display of Waveform with Peak Values (1024 samples/period)
  • Analysis of Total Harmonic Distortion (THD-F)
  • Maximum Demand (MDkW, MW, kVA, MVA) with programmable period
  • Adjustable CT ratio (1 to 600) and VT ratio (1 to 3000)
  • Graphic Phase diagram with 3-Phase system parameters
  • 3-phase Voltage or Current Unbalanced Ratio (VUR, VIR) and Unbalanced Factor (d0%, d2%)
  • Calculated Unbalanced Current through Neutral Line (In)
  • Capture 28 Transient events (including Dip, Swell and Outage) with programmable threshold (%)
  • Optically isolated USB interface with software to download Waveforms, Power Parameters and Harmonics
  • Includes 3 flexible current clamps, 4 voltage leads with alligator clips and retractable plunger clips, 8 AA batteries, universal AC adaptor, software, USB interface cable, and case

    datasheet: http://www.extech.com/instruments/resources/datasheets/PQ3350data.pdf

    • pq3350-3

    3-Phase Power & Harmonics Analyzers

    Extech Instruments
    PQ3350-3
    Complete with 3000A 24" flexible current clamp probes
  • Datalogging of single and 3-phase/3-wire or 3-phase/4-wire systems (up to 52,428 single phase readings or 17,476 3-phase readings)
  • Flexible clamp probes can be used for wrapping around bus bars and wire bundles
  • Large backlighting LCD displays up to 35 parameters in one screen
  • Clamp-on True RMS power measurements with on-screen Harmonics display
  • Simultaneous display of Harmonics and Waveform
  • Display of Waveform with Peak Values (1024 samples/period)
  • Analysis of Total Harmonic Distortion (THD-F)
  • Maximum Demand (MDkW, MW, kVA, MVA) with programmable period
  • Adjustable CT ratio (1 to 3000) and VT ratio (1 to 600)
  • Graphic Phase diagram with 3-Phase system parameters
  • 3-phase Voltage or Current Unbalanced Ratio (VUR, VIR) and Unbalanced Factor (d0%, d2%)
  • Calculated Unbalanced Current through Neutral Line (In)
  • Capture 28 Transient events (including Dip, Swell and Outage) with programmable threshold (%)
  • Optically isolated USB interface with software to download Waveforms, Power Parameters and Harmonics
  • Includes 3 flexible current clamps, 4 voltage leads with alligator clips and retractable plunger clips, 8 AA batteries, universal AC adaptor, software, USB interface cable, and case

    datasheet: http://www.extech.com/instruments/resources/datasheets/PQ3350data.pdf

    • pq3470

    3-Phase Graphical Power & Harmonics Analyzer/Datalogger

    Extech Instruments
    PQ3470
    Datalogging Power Analyzer (up to 30,000 sets of measurements
  • 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.

    datasheet: http://www.extech.com/instruments/resources/datasheets/PQ3470data.pdf