Klein RT390 Circuit Analyzer


Only 1 Available (can be backordered)

UOM: EA SKU: RT390 Categories: , , UPC: 092644693632


Klein RT390 Circuit Analyzer

The Klein RT390 Circuit Analyzer includes:

  • Circuit Analyzer
  • 3 x AAA Batteries
  • Instructions
  • Pouch


  • Catalog no. RT390
  • Large color LCD displays easy to understand results for:
        • Wiring faults, AFCI, GFCI, voltage drops and time to trip devices
  • Detect and identify common wiring faults in standard, AFCI and GFCI electrical outlets
  • Detects dual (open neutral/open ground) wiring faults
  • Inspect AFCI and GFCI devices:
        • Includes trip time and trip current
  • 12A, 15A, and 20A load testing to measure percentage voltage drops
  • Powers off automatically after 5 minutes of inactivity to conserve battery life
  • Detachable cord for easy storage
  • For use with North American 120V AC 3-wire electrical outlets
  • Safety Rating: CAT III 135V


  • Type: Circuit Analyzer
  • Applications:
        • Test Wiring Faults
        • Inspects AFCI and GFCI Devices
        • Displays Line Voltage
        • Voltage Drop
  • Special Features:
        • Tests AFCI and GFCI
        • Large LCD Display
        • Detects Dual-Open Wiring Fault
        • Shows Amount of Time it Takes to Trip GFCI
  • Material: ABS Plastic, Overmold, Electronic Components
  • Drop Protection: 6.6ft (2m)
  • AFCI: Yes
  • GFCI: Yes
  • Voltage: 135V AC
  • Batteries: 3 x AAA Alkaline
  • Included: Circuit Analyzer; 3 x AAA Batteries; Instructions; and Pouch
  • Standard: CAT III 135V
  • Overall Dimensions:
        • Length:1.5” (17.9 cm)
        • Height: 7.1” (3.9 cm)
        • Width: 2.7” (6.9 cm)
  • Weight: 10.9 oz (311 g)

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Additional information

Weight 0.06 lbs

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