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Klein Tools MM300 Multimeter, Digital Manual-Ranging Voltmeter, Tests Batteries, AC/DC, Current, Resistance, Diodes, and Continuity, 600V

4.7 out of 5 stars 1,243 ratings

-8% $32.97
List Price: $35.90
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Enhance your purchase

Brand Klein Tools
Power Source Hand Powered
Style Multimeter
Color Multi
Item Weight 8.2 Ounces

About this item

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  • Multimeter measures up to 600V AC/DC voltage, 10A DC current and 2MOhms resistance
  • Voltage tester for batteries, diodes and continuity
  • Built to withstand a 3.3-foot (1m) drop and withstand daily wear and tear on the job site
  • For use in basic and controlled electromagnetic environments such as residential, business and light-industrial locations
  • CAT III 600V safety rating
  • Low battery indicator and easily accessible battery compartment
  • Includes test leads, batteries and user manual
See more product details

Customer ratings by feature

Accuracy
4.7 4.7
Easy to use
4.6 4.6
Value for money
4.6 4.6

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Frequently bought together

  • Klein Tools MM300 Multimeter, Digital Manual-Ranging Voltmeter, Tests Batteries, AC/DC, Current, Resistance, Diodes, and Cont
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  • Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacle
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What's in the box

  • Test Leads, Batteries, and User Manual
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    Customer Rating 4.7 out of 5 stars (1243) 4.7 out of 5 stars (3075) 4.5 out of 5 stars (9347) 4.7 out of 5 stars (7702) 4.5 out of 5 stars (6759) 4.7 out of 5 stars (651)
    Price $32.97 $54.97 $16.69 $26.99 $28.99 $99.97
    Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details
    Sold By Amazon.com Amazon.com KAIWEETS Direct LFUS Amazon.com Amazon.com
    Brand Name Klein Tools Klein Tools KAIWEETS Crenova Innova Klein Tools
    Color Multi Orange Black Orange Red & Black Factory
    Item Dimensions 8.9 x 4.8 x 1.7 inches 1.78 x 3.07 x 6 inches 5.04 x 2.64 x 1.42 inches 5.5 x 2.8 x 1.6 inches 2 x 10 x 5 inches 9.9 x 5.7 x 2.7 inches
    Item Weight 0.51 lbs 0.51 lbs 4.64 ounces 1.21 lbs 0.50 lbs 0.90 lbs
    Power Source Hand Powered Ac/Dc Battery Powered Battery Powered Battery Powered Hand Powered
    Style Multimeter Auto Ranging/Temp, Cap, Freq Continuity Testers Circuit Testers 3320 TRMS/Low Impedance

    Product Description

    Klein Tools MM300 Multimeter is a manual ranging multimeter that measures AC/DC voltage, DC current, and resistance. It can also test batteries, diodes, and continuity. Klein Tools’ Test and Measurement product line was exclusively designed from the ground up by electricians for electricians. Years of field research, combined with extensive input from electricians across America, inspired the development of meters and electrical testers loaded with innovative, time-saving features. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

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    Warranty & Support

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    Important information

    Safety Information

    Do not attempt to measure resistance or continuity on live circuits.Read, understand and follow all instructions, cautions and warnings attached to and /or packed with all test and measurement devices before each use.Do not use the meter during electrical storms or in wet weather, and do not use the meter or test leads if they appear to be damaged.Before each use verify meter operation by measuring a known voltage or current.

    Customer questions & answers

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    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    1,243 global ratings

    Top reviews from the United States

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    Top reviews from other countries

    Martin W
    5.0 out of 5 stars Really good multimeter...
    Reviewed in the United Kingdom 🇬🇧 on July 25, 2022
    Amazon Customer
    4.0 out of 5 stars good
    Reviewed in the United Kingdom 🇬🇧 on November 8, 2018
    R. Chandler
    5.0 out of 5 stars Works great
    Reviewed in Canada 🇨🇦 on February 16, 2021
    2 people found this helpful
    Report abuse
    jeremy
    5.0 out of 5 stars works very well for my needs.
    Reviewed in Canada 🇨🇦 on August 6, 2022
    RD Elson
    5.0 out of 5 stars Item works as it was designed
    Reviewed in Canada 🇨🇦 on February 2, 2021
    2 people found this helpful
    Report abuse