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The Fluke 1742, 1746 and 1748 Three-Phase Power Quality Loggers are the best tools to troubleshoot, quantify energy usage and analyze power distribution systems in a fast, easy and safe way.
  • Measure key power quality parameters: Measures harmonics and interharmonics for voltage and current, also includes unbalance, flicker and rapid voltage changes.
  • Measure with premium accuracy: Meets the rigorous IEC 61000-4-30 Class A Edition 3 standard for ‘Testing and measurement techniques–Power quality measurement methods.'
  • One-touch reporting: Create standardized reports according to commonly used standards like EN 50160, IEEE 519, GOST 33073 or export data in PQDIF or NeQual compatible format for use with third party software using the included Fluke Energy Analyze Plus Software.


  • Two electrically isolated inputs
  • CAT III 1000 V / CAT IV 600 V safety rated
  • 100 MHz bandwidth model
  • 1.25 GS/s
  • Deep memory: 10,000 samples per channel waveform capture so you can zoom in on the details
  • Dedicated 5000 Count digital multimeter in 2-channel models
  • Connect-and-View continuous auto-trigger, single shot, pulse width, and video triggering
  • ScopeRecord roll mode, capture waveform sample data for up to 48 hours
  • TrendPlot, trend measurement readings for up to 22 days
  • Advanced automatic measurements, power (Vpwm, VA, W, PF) and time (mAs, V/s, w/s)
  • IP-51 rated for dust and drip proof to withstand harsh environments
  • Isolated USB ports for memory devices and PC connectivity
  • Li-Ion battery for extended operating timespan: up to 4 hours (BP290 included standard) or up to 8 hour with optional BP291
  • Charge spare battery using optional external battery charger (EBC290)
  • Easy-access battery door to make it easy to swap batteries
  • A handy slot to tether and lock down the oscilloscope while unattended using a standard Kensington® lock


  • Now compatible with Fluke Connect mobile app and all Fluke FC enabled test tools with optional ir3000 FC infrared connector (sold separately).
  • Let your team see what you see in an instant with ShareLive™ video call (requires Fluke Connect mobile app and ir3000 FC wireless connector).
  • TrendCapture quickly graphically displays logged data session to quickly determine whether anomalies may have occurred.
  • Limited lifetime warranty.


  • DMM and a loop calibrator in one rugged, handheld tool
  • Provides a precision 1000 V, 440 mA True-RMS digital multimeter designed to meet 1000 volt IEC 1010 CAT III standards
  • Features a clear LCD with backlight; 4,000 counts (30,000 counts for DC current)
  • Performs frequency measurements to 20 kHz


  • Two electrically isolated inputs
  • CAT III 1000 V / CAT IV 600 V safety rated
  • 500 MHz bandwidth model
  • 5 GS/s
  • Deep memory: 10,000 samples per channel waveform capture so you can zoom in on the details
  • Dedicated 5000 Count digital multimeter
  • Connect-and-View continuous auto-trigger, single shot, pulse width, and video triggering
  • ScopeRecord roll mode, capture waveform sample data for up to 48 hours
  • TrendPlot, trend measurement readings for up to 22 days
  • Advanced automatic measurements, power (Vpwm, VA, W, PF) and time (mAs, V/s, w/s)
  • IP-51 rated for dust and drip proof to withstand harsh environments
  • Isolated USB ports for memory devices and PC connectivity
  • Li-Ion battery for extended operating timespan
    • Up to 4 hours (BP290 included standard) or up to 8 hour with optional BP291
    • Charge spare battery using optional external battery charger EBC290
  • Easy-access battery door to make it easy to swap batteries
  • A handy slot to tether and lock down the oscilloscope while unattended using a standard Kensington® lock