Skip to content

Free Gift Card Details

$100 Order

Original price:
 $10 
Current price:
$20
gift card

$250 Order

Original price:
 $25 
Current price:
$50
gift card

$500 Order

Original price:
 $50 
Current price:
$100
gift card

$1000 Order

Original price:
 $100 
Current price:
$200
gift card
  • The promo code 289806 must be entered on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire .
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.

Product Summary

The Klein Tools RT390 is a Circuit Analyzer that tests the wiring conditions at an electrical outlet, displays AC line voltage, inspects AFCI and GFCI devices with time to trip device, and performs voltage drop tests at 12A, 15A and 20A current loads. Results are easy to understand with large, color LCD. The tester is designed for use with North American 120V AC 3-wire electrical outlets.

What's Included

    (1) Circuit Analyzer

Features + Benefits

  • Circuit Analyzer with 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

Key Specs

AttributeSpecification

item#

5901490

Brand

Klein Tools

Manufacturer's Warranty

2 year limited warranty

Ship Weight

1.09 LB

Display Type

LCD

Battery Size

AAA

Battery Type

Other

Battery Included

Yes

Case Included

Yes
AttributeSpecification

Common Usage

AFCI/GFCI Outlet Tester

Power Source

Battery

UL Listed

No

Material

ABS

Application

Test Wiring Faults, Inspects AFCI and GFCI Devices, Displays Line Voltage, Voltage Drop

Includes

Circuit Analyzer; 3 x AAA Batteries, Instructions, Pouch

Product Weight

0.4880 lb

Dimensions L x W x H (in.)

7.072 x 2.72 x 1.508 in

Warranty

Manufacturer's Warranty

2 year limited warranty