Klein Tools® Introduces Circuit Analyzer RT390 to Easily Identify Common Wiring Faults

circuit analyzer klein tools

March 15, 2023

Klein Tools introduces the RT390 Circuit Analyzer, designed to identify common wiring faults in standard, AFCI and GFCI outlets. 

Circuit Analyzer (Cat. No. RT390)

circuit analyzer klein tools
  • Identify common wiring faults in standard, AFCI and GFCI outlets
  • Inspect AFCI and GFCI devices, includes trip time and trip current
  • Perform percentage voltage drop tests at 12A, 15A and 20A
  • Display AC line voltage
  • Easy to understand results displayed on a large LCD screen
  • Powers off automatically after 5 minutes of inactivity to conserve battery life
  • For use with North American 120V AC 3-wire electrical outlets
  • Safety Rating: CAT III 135V
  • Detachable cord for easy storage

“Circuit analyzers are an essential tool for electricians, and are often used as a shared resource between multiple professionals,” says Sabrina Kalsi, product manager at Klein Tools. “With the new Circuit Analyzer, Klein Tools has created an affordable alternative, by taking the most used functions of higher priced analyzers and putting them into a more affordable and easier to store unit. On top of that, the large color LCD makes it extremely easy to understand results, with no scrolling through screens needed.” 

circuit analyzer klein tools

For more information, visit www.kleintools.com/new-products or search for #NewKleins on social media.

Source

Related Articles


Latest Articles


Changing Scene

  • IDEAL Electrical Partners with Habitat for Humanity Greater Toronto Area to Support Affordable Housing Initiatives

    IDEAL Electrical Partners with Habitat for Humanity Greater Toronto Area to Support Affordable Housing Initiatives

    August 17, 2026 Earlier this month, approximately 30 IDEAL Electrical employees and skilled electricians volunteered alongside Habitat for Humanity Greater Toronto Area (GTA) to help construct Countryside, an affordable 15-unit townhome development in Brampton that will welcome families later this year. Volunteers assisted with electrical wiring and rough-in installation and provide general construction support, helping… Read More…

  • Hubbell Canada Forms Strategic Alliance with Mac’s II Agencies to Strengthen Harsh & Hazardous Market Presence in British Columbia

    Hubbell Canada Forms Strategic Alliance with Mac’s II Agencies to Strengthen Harsh & Hazardous Market Presence in British Columbia

    August 17, 2026 Hubbell Canada is pleased to announce a new strategic partnership with Mac’s II Agencies, effective August 1, 2026, to represent Hubbell Canada’s Harsh & Hazardous portfolio throughout British Columbia. This newly formed alliance further strengthens Hubbell Canada’s commitment to serving customers operating in some of the most demanding industrial environments, while supporting… Read More…

  • AEA Scholarships and Bursaries Apply by August 31st

    AEA Scholarships and Bursaries Apply by August 31st

    August 17, 2026 The Alberta Electrical Alliance is proud to support our industry with over $320,500 of postsecondary scholarships for current members and their children. Your participation in AEA events helps fund AEA scholarships and build our industry’s future. AEA Sponsored Scholarships Open to employees, dependents, and children of parents who are members of the… Read More…

  • Contractors’ Corner at the 2026 NETCO Conference

    Contractors’ Corner at the 2026 NETCO Conference

    August 17, 2026 ECAO and CECA look forward to joining industry leaders at the NETCO – National Electrical Trade Council 2026 Conference for an important conversation on AI and its growing role in electrical contracting. R. Graeme Aitken, Executive Director of ECAO, Terry Milot, President of the Canadian Electrical Contractors Association, and Témoc Vega, PhD,… Read More…