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With a bright color display to analyze the harmonic spectrum, a low-pass filter to remove high frequency noise, and a high EMC immunity design, the Fluke 345 is ideal for measurements on switching loads such as variable speed drives, electronic lighting and UPS systems. Additionally, the Hall Effect measurement system makes measurement of dc current possible without the need to break the circuit, and the internal memory enables long-term logging for analysis of trends or intermittent problems.
  • AC/DC current: Clamp-on measurement of ac peak and dc current up to 2000 A without breaking the circuit.
  • Highest safety rating: 600 V CAT IV/1000 V CAT III rated for use at the service entrance.
  • Accurate measurement of parameters: Even with distorted waveforms present on electronic loads with low-pass filter.
  • Data logging: Identify intermittent faults by logging any power parameters for minutes or months, including harmonics.
  • Verify batteries: Direct measurement of dc ripple (%) for battery and dc systems.
  • Troubleshoot harmonics: Analyze and log harmonics digitally or graphically.
  • Inrush current: Capture and analysis from 3 seconds to 300 seconds.
  • Easy-to-use: Easily confirm instrument setup with large backlit color display of waveforms and trends.
  • Three-phase power: Built in capability for balanced loads.
  • View graphs and generate reports: With included Power Log software.
  • One-year warranty for accessories.

    Basic power quality measurements on the go with the Fluke 345
    A great introduction to power quality, this short application note teaches the basics of simple voltage, current waveform, harmonics, power, inrush, and logging measurements using the Fluke 345. Learn how to read waveforms and how and where to use them, and then learn about harmonics and how they distort voltage and current.

    Fluke 43B Power Quality Analyzer
    Power quality analysis plus a scope and a meter


    The Fluke 43B Power Quality Analyzer performs the measurements you need to maintain power systems, troubleshoot power problems, and diagnose equipment failures. The 43B has 20 storage locations and can store data as well as screens.
  • NiMH battery provides extended operating time of 6.5 hours.
  • Voltage, current, and power harmonics up to 51st.
  • Total harmonic distortion (THD).
  • Phase angle of individual harmonics.
  • Fluke View® software with enhanced analysis and documentation capabilities.
  • Continuously measure volts and amps cycle-by-cycle for up to 16 days.
  • Cursors give time and date of sags and swells.
  • Watts, power factor, displacement power factor, VA and VAR.
  • Voltage and current waveforms.
  • Calculates three-phase power on balanced loads from a single-phase measurement.
  • Catch up to 40 voltage transients and waveform distortions.
  • Three-year warranty for the PQ Analyzer.
  • One-year warranty for accessories.
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N/A AC/DC Power Quality Clamp Meter N/A Batteries, Pair of Measuring Leads, Alligator Clips, Users Manual, Power Log Software, Interface Cable Pouch, and Calibration Certificate. $2,939.99 N/A Typically ships in 2-3 weeks Add To Cart
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