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Klein Tools RT390 Circuit Analyzer with large LCD

KLEIN TOOLS ★ 3.4/5 · ItemOracle Score Premium

$160 USD
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Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, GFCI and AFCI Tester, Voltage Drop, Displays Trip Time

Circuit tester identifies wiring faults, AFCI and GFCI, and voltage drops with trip time display. Users cite easy-to-read display and useful testing capabilities

Highlights

  • comprehensive wiring fault detection
  • AFCI and GFCI testing
  • clear large LCD results

Pros

  • large color LCD display
  • detects AFCI and GFCI faults
  • identifies wiring faults
  • shows device trip time
  • perceived good value for money

Cons

  • mixed feedback on bulkiness
  • voltage drop measurements sometimes questioned

Best For

  • testing wiring faults in home circuits
  • verifying AFCI/GFCI functionality
  • checking voltage drop on circuits
  • evaluating receptacle and breaker performance
  • on-site electrical troubleshooting
  • education and training demos

Features

  • Large color LCD display for easy-to-read results
  • Identifies wiring faults in AFCI and GFCI outlets
  • Detects voltage drops and displays device trip time
  • Performs dual wiring fault detection

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