GB® Autoranging Digital Clamp Meter (GCM-221)

Item no: 3214368 | 032076049034
750  Estimated 

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  • Product Type: Digital Clamp Meter
  • Test Range: Auto range
  • Color: Red/Black
  • Automatic Ranging: Yes
  • Batteries Included: No
  • UL Listed: Yes
  • Data Hold: Yes
  • Assembled Width: 6.25 in.
  • Battery Size: AAA
  • Assembled Length: 1.75 in.
  • 11.5 in. high
  • Measures current up to 600 amps, 600 volts (300 volt CAT III and 600 volt CAT II) and resistance to 200 ohms with a sample rate of 2 Hz
  • Easy to read LCD display
  • Auto ranging for improved readings
  • Low battery indicator
  • Powered by 2 AAA batteries (not included)
  • Pocket size for easy access and use
  • 1 in. jaw opening
  • Operating temperature range from 32 - 104 degrees F (storage temperature 14-140 degrees F)
  • 6 ft. drop and 150 lb crush rated
  • Includes test leads and operating instructions
  • UL approved and CE listed

This item can be shipped to your home. Or pickup this item at your local Ace Store for FREE*.

*Items shipped from our warehouse to stores in Alaska and Hawaii will receive a 70% shipping discount.

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We want you to be fully satisfied with every item that you purchase from If you are not satisfied with an item that you have purchased (excluding Gift Cards and gas-powered outdoor equipment*), you may return the item up to thirty days after the original purchase date to receive a store credit (less shipping, handling and other charges). We recommend that you make returns of online purchases to an Ace retail store near you which will issue your store credit. If you do not have an Ace retail store near you, please contact a Customer Service Specialist by calling 1-866-290-5334 for complete return instructions. Please refer to our Return Instructions for more information about returning a purchase.

The item must be returned in good condition, in original boxes (whenever possible), and with all paperwork, parts and accessories to insure full credit. After 30 days, please contact the manufacturer directly.

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What people are saying

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GB ELECTRICALGB® Autoranging Digital Clamp Meter (GCM-221)

(based on 1 review)

Ratings Distribution

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  • 1 Stars



Reviewed by 1 customer

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A great tester

By August Gehring

from Wamego Kansas

About Me Avid Do-It-Yourselfer

Verified Reviewer


  • Durable
  • Easy to Install
  • Easy to Use
  • Safe
  • Well Designed


    Best Uses

    • Big Jobs
    • Gifts
    • Inside
    • Outside
    • Small Jobs

    Comments about GB ELECTRICAL GB® Autoranging Digital Clamp Meter (GCM-221):

    its a great little tester easy to use in tight places check breaker boxs checking electric wires

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