Extech Instruments PQ3470 3-Phase Graphical Power and Harmonics Analyzer/Datalogger
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Extech Instruments PQ3470 3-Phase Graphical Power and Harmonics Analyzer/Datalogger

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Power Measurements, Harmonics Plus Datalogging in One Complete Package
  • Power Measurements and Analysis with graphical readout
  • Datalogging of single and 3-phase/3-wire or 3-phase/4-wire systems
  • Logs up to 30,000 reading on a removable SD memory card
  • Saves data on an SD card in Excel format

Item #: 90209

Ships in 1 to 2 days

$3,298.97
  • Details
  • Specs
  • Reviews
  • What's Included
  • The Extech PQ3470 3-Phase Graphical Power Analyzer's Large backlighting LCD displays up to 35 parameters in one screen. Logs up to 30,000 reading on a removable SD memory card in Microsoft Excel® format and easily transfers data to a PC for analysis. Expand the current measurement capabilities by adding optional clamp probes available in the following sizes 200A Current Clamp Probes, 1200A Current Clamp Probes or the 3000A Current Flexible Clamp Probes, each sold separately.

    The PQ3470 features full system analysis of up to 35 parameters including: 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), and Phase angle. Additional features include Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio for high power distribution systems, a wide sampling rate from 2 seconds to 2 hours, a built-in Clock and Calendar, and an easy-to-use on-screen menu. It also features large, dot-matrix, sun-readable, graphical LCD. Includes on-screen Harmonics display (1 to 50th order), simultaneous display of Harmonics and Waveform, display of Waveform with peak values, 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. You can also capture Transient events (including dip, swell, and outage) with programmable threshold (%).

    • Large dot-matrix, sun-readable, numerical, backlit LCD with easy-to-use menu
    • Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio
    • Log up to 30,000 reading on a removable SD memory card in Microsoft Excel format
    • 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 (%)
    • Wide sampling rate range (2 seconds to 2 hours)
    • Built-in Clock and Calendar
    • Easy-to-use onscreen menu
    • Easy-to-hold rugged over molded housing
    • 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



  • Specifications
    Manufacturer Extech Instruments
    Manufacturer Product No PQ3470
    UPC 793950334706
    Circuit Custom single-chip microprocessor LSI circuit
    Display LCD Size: 3.2" X 2.4" (81.4 X 61mm)
    Measurements V (voltage phase to phase)
    V (voltage phase to ground)
    A (Current Phase to ground)
    KW / KVA/ KVAR / PF (Phase)
    KW / KVA/ KVAR / PF (System)
    Power factor, Phase Angle
    Frequency and Harmonics
    Wire configurations 1P/2W, 1P/3W, 3P/3W, 3P/4W
    Voltage ranges 10 ACV to 600 ACV (Auto Range)
    Current ranges Current probe input signal voltage (ACV):
    200mV /300mV /500mV /1V /2V /3V
    Current probe input current range (ACA):
    20A/200A/2000A (1200A)/30A/300A/3000A)
    Safety standard IEC1010 CAT III 600 V
    ACV input impedance 10M ohms
    Range select ACV Auto Range
    ACA Manual Range
    Clamp frequency response 40 Hz to 1 KHz
    Tested clamp frequency 45 to 65 Hz
    Over-load protection ACV 720 ACV RMS
    Over-Range OL is displayed;ACV: 720VACrms;ACA: 1300ACA
    Under-Range UR is displayed
    Data Hold Freezes displayed reading
    Data Recording Data Recording
    Sampling Time Approx. 1 second
    Datalogger Real time data logger saves data to SD card
    Data Output Serial or USB connection
    Operating Temperature 0 to 122°F (0 to 50°C)
    Operating Relative Humidity 80% Relative Humidity max
    Relative Humidity 85% max.
    Power Supply Eight AA 1.5VDC Batteries or
    AC 9V Power Adapter
    Power Consumption Meter: 270 mA DC;Clamp: 22 mA DC
    Max. Conductor size Clamp can accommodate up to 50 mm (2.0") diameter
    Weight 2.1lbs (968g)
    Dimensions 8.86" x 4.92" x 2.52";Clamp: 22 mA DC
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    * Required Fields

    • 1x - Power Analyzer
    • 4x - Voltage Leads with Alligator Clips
    • 8x - AA Batteries
    • 1x - 2GB SD Card
    • 1x - Universal AC Adapter (100 to 240V)
    • 1x - Durable Hard Carrying Case
    • 1x - Instruction Manual

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