Extech 382090 & 382091
3-Phase Power Analyzers/Dataloggers

Four clamps with simultaneous display on single phase,
3-phase/3-wire or 3-phase/4-wire systems

  • Large backlighting LCD displays 10 parameters
    simultaneously (kW, kVAR, kVA, PF plus the voltage
    an dc current of the three phases)
  • Clamp-on True RMS power measurements with
    software for Harmonics analysis
  • Displays Active Power (kW), Apparent Power (kVA),
    Reactive Power (kVAR) and Power Factor
  • Current measurements to 1000A and Voltage
    measurements to 600V
  • kWH, kVARh and kVAh energy measurements
  • Automatically logs up to 20,000 sets of measurements
    and manually logs up to 99 sets
  • Programmable Start/Stop datalogging times
  • PC interface with Windows® 95/98/NT/2000/ME/XP
    compatible software for single and three phase voltage/
    current Waveform display and Harmonic analysis
  • Phase sequence measurements
Click here for a larger image - Extech 382090, 1000A 3-Phase Power Analyzer/Datalogger (60 Hz)Click for larger image
Extech 382090 Shown
Product Information
Datasheet 332 KB
Manual 1.5 MB
PDF Help


  • AC Power evaluation
  • Harmonics analysis
  • Motor/Generator installation
  • Energy audits
Ordering Information
Model Description Buy Online Price
382091 Extech 382091 1000A 3-Phase Power Analyzer/Datalogger (220V) Discontinued
Included Accessories
  • (4) Current Clamps
  • (4) Voltage leads with alligator clips
  • (8) AA batteries
  • (1) PC interface cable
  • (1) Carrying case
  • Software
Optional Accessories
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*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.