Klein Tools CL220 Digital Clamp Meter


Klein Tools CL220 400 AC Auto Ranging Digital Clamp Meter

  • Measures AC current and NCVT via clamp and AC/DC voltage, resistance, and continuity
  • Non-contact voltage tester integrated into the clamp jaw
  • Backlit LCD for ease of viewing in low light
  • Automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy
  • Test lead holder on side of clamp and optional magnetic hanger for meter



The Klein Tools CL220 is an automatically ranging TRMS digital clamp meter that measures AC current (up to 400A) via the clamp and AC/DC voltage (up to 600V). You can use NCV testing mode with the sensing antenna, red NCV light and audible signals. A non-contact voltage tester is integrated into the clamp jaw. The meter also measures resistance and tests for continuity with test leads, as well as temperature below 446°F/ 230°C via K-type thermocouple probe. It offers Backlight, Range, Max, Data Hold, and Sel/NCV buttons, 2000-count LCD display, test lead holder on side of the clamp, low battery indicator and auto-power off after 10 minutes of inactivity. The unit can withstand a 6.6-ft drop. It has CAT III 600V, Class 2, Double insulation safety rating for use in electromagnetic environments.The CL220 includes the clamp meter, test leads with CAT III/CAT IV safety caps, thermocouple, 3x AAA batteries, instructions and carry case.


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Klein Tools CL220 Digital Clamp Meter