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Yellow digital clamp meter with black LCD screen and hinged jaw

Klein Tools CL120 Digital Clamp Meter 400A AC

SKU CH-P021-B7Q6X

Measures AC current up to 400 amps plus AC/DC voltage, resistance and continuity with auto-ranging and non-contact voltage detection

  • FeaturesDigital Clamp Meter, AC Auto-Ranging 400 Amp, Double Insulat
  • Height8.45 L x 3.51 W x 1.51 H inches
  • Width8.45 L x 3.51 W x 1.51 H inches
  • Length8.45 L x 3.51 W x 1.51 H inches
  • Weight0.61 pounds
  • Sports Team1 Piece
  • Measures AC current up to 400 A with auto-ranging accuracy
  • Integrated non-contact voltage tester in the clamp jaw for quick checks
  • Backlit LCD gives clear readings in low-light conditions
  • Test-lead holder and optional magnetic hanger enable hands-free operation
  • Includes carrying case, test leads with safety caps and three AAA batteries

Klein Tools CL120 Clamp Meter

The Klein Tools CL120 is a new digital clamp meter that measures AC current up to 400 amps and provides non-contact voltage detection through the clamp jaw. It also measures AC/DC voltage, resistance and continuity using the supplied test leads. The auto-ranging function selects the correct measurement range automatically.

Electricians and technicians needing a compact

This meter suits electricians and technicians who want a single tool for AC current, voltage, resistance and continuity checks with integrated non-contact voltage testing. It is not for users who must measure DC current or AC current above 400 amps.

400-amp AC clamp measurement range

The clamp jaw measures AC current up to 400 amps and integrates non-contact voltage detection, while the test leads handle AC/DC voltage, resistance and continuity. This 400-amp AC limit determines whether the meter fits the circuits you work on.

Highlights

  • Measures AC current up to 400 A with auto-ranging accuracy
  • Integrated non-contact voltage tester in the clamp jaw for quick checks
  • Backlit LCD gives clear readings in low-light conditions
  • Test-lead holder and optional magnetic hanger enable hands-free operation
  • Includes carrying case, test leads with safety caps and three AAA batteries

Specifications

BrandKLEIN TOOLS, Klein Tools
FeaturesDigital Clamp Meter, AC Auto-Ranging 400 Amp, Double Insulation Safety Rating, Ce Certified, Battery Powered, true
Height8.45 L x 3.51 W x 1.51 H inches
Width8.45 L x 3.51 W x 1.51 H inches
Length8.45 L x 3.51 W x 1.51 H inches
Weight0.61 pounds
Sports Team1 Piece
TypeAmmeter, Voltmeter, Ohmmeter

Questions about this item

What test leads and batteries must I already have to use the CL120 clamp meter?

The meter ships with test leads fitted with CAT III/CAT IV safety caps and three AAA batteries installed, so no extra leads or batteries are required to start measuring.

Will the CL120’s non-contact voltage tester still work if I keep using my older separate NCVT pen?

Yes, the NCVT function is built into the clamp jaw and operates independently, so you can use it alongside any other voltage tester without interference.

How do I confirm the CL120 is reading correctly after I turn it on?

The backlit LCD will show a stable value, the auto-ranging indicator will settle on the correct range, and the Data Hold button can freeze the reading for verification.

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