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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.


  • Power quality statistics according to EN50160
  • Voltage event list (dips, swells and interruptions)
  • Continuous recording of:
    • Voltage
    • Current
    • Power P, Q, S
    • Power factor
    • kWh
    • Flicker
    • Unbalance
    • Frequency
    • Voltage and current harmonics to the 50th / Interharmonics
    • THD
    • Mains signaling
  • Triggered recordings
  • Online mode (Oscilloscope, transients and events)
  • Fast transient analysis up to 10 MHz
  • 4, 600 V voltage probes
  • 4 dual-range flexible current probes (1000 A / 200 A AC)
  • GPS time sync receiver
  • 2 GB Flash Memory


  • 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.


  • Easy to handle infrared thermometer with precise laser targeting and 10:1 distance to spot ratio
  • Measures temperatures from -30°C to 500°C (-22°F to 932°F)
  • Provides IP40 rating for extra protection
  • Presents a large, backlit LCD display for easy viewing
  • Features a small, lightweight design that fits easily fits into your tool bag


  • Withstands drops up to 4-meters (13 feet) with industrial strength casing and holster
  • Waterproof, dustproof IP67 case for the most extreme work sites
  • Premium TL175 TwistGuard™ test leads
  • Double the battery life of the 87V (up to 800 hours); backlit keys for dark environments