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Klein Tools MM720 Digital Multimeter, Auto-Ranging TRMS, Low Impedance (LoZ), 1000V AC/DC Voltage, 10A AC/DC Current, 60 MOhms Resistance

4.6 4.6 out of 5 stars 991 ratings
$89.08 with 11 percent savings
List Price: $99.97

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w/Reverse Contrast Display
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Purchase options and add-ons

Brand Klein Tools
Power Source Corded Electric
Style w/Reverse Contrast Display
Color Orange/Black
Item Weight 345 Grams

About this item

  • VERSATILE FUNCTIONALITY: Measures AC/DC voltage up to 1000V, 10A AC/DC current, 60MΩ resistance; additional features include continuity, temperature, capacitance, frequency/duty cycle, diode test and low impedance (LoZ)
  • LOW IMPEDANCE MODE: LoZ mode for identifying and eliminating ghost or stray voltages
  • REVERSE-CONTRAST DISPLAY: Large, high-visibility reverse-contrast LCD ensures improved viewability in all lighting conditions
  • ACCURATE MEASUREMENTS: Auto-ranging and True Root Mean Squared (TRMS) technology provides precise and accurate measurements
  • CONVENIENT FEATURES: Test lead holders on the back of the meter, kickstand and optional magnetic hanger (Cat. Nos. 69445 or 69417) for hands-free operation
  • DURABLE CONSTRUCTION: CAT IV 600V and IP42 rated built to withstand a 6.6-Foot (2 m) drop, perfect for use in facilities, maintenance, HVAC, residential, business, automotive, commercial, and industrial work
  • COMPLETE PACKAGE: Includes carrying case, test leads with CAT III/CAT IV safety caps, thermocouple, instructions, and 2 x AAA batteries

Frequently bought together

Klein Tools MM720 Digital Multimeter, Auto-Ranging TRMS, Low Impedance (LoZ), 1000V AC/DC Voltage, 10A AC/DC Current, 60 MOhm
$89.08
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Klein Tools 69417 Rare-Earth Magnetic Hanger, with Strap
$13.99
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Klein Tools 69381 Alligator Clip Test Leads, Heavy-Duty Replacement Meter Leads, for All Meters Using Banana Plug Meter Leads
$15.99
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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 10.63 x 5.87 x 3.73 inches; 12.17 ounces
  • Item model number ‏ : ‎ MM720
  • Date First Available ‏ : ‎ June 27, 2022
  • Manufacturer ‏ : ‎ Klein Tools
  • ASIN ‏ : ‎ B0B57PDQJC
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.6 4.6 out of 5 stars 991 ratings

Product Description

Klein Tools MM720 Multimeter is an automatically ranging true root mean squared (TRMS) digital multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, diodes and continuity. It features a high visibility, reverse contrast LCD display with an optical sensor to automatically optimize viewability in dark or bright ambient lighting. 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.

Important information

Safety Information

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.

Top Brand: Klein Tools

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100K+ customers rate items from this brand highly
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From the manufacturer

Klein Tools
Klein Tools

klein tools
About Klein Tools

As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.

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.

Digital Multimeter, Auto-Ranging TRMS, Low Impedance (LoZ), 1000V AC/DC Voltage, 10A AC/DC Current, 60 MOhms Resistance

Klein Tools MM720 Multimeter is an automatically ranging true root mean squared (TRMS) digital multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, diodes and continuity. It features a high visibility, reverse contrast LCD display with an optical sensor to automatically optimize viewability in dark or bright ambient lighting.

  • Multimeter with automatic ranging true root mean square (TRMS) technology for increased accuracy
  • Tester measures up to 1000V AC/DC voltage, 10A AC/DC current and 60 MOhms resistance plus temperature, capacitance, frequency, low impedance (LoZ), duty-cycle, test diodes and continuity
  • High visibility, reverse contrast display with optical sensor to automatically optimize viewability in dark or bright ambient lighting
  • Low Impedance (LoZ) mode for identifying and eliminating ghost or stray voltages
  • Low battery indicator and easily accessible battery and fuse compartment
  • Tough meter built to withstand a 6.6-Foot (2 m) drop and is rated IP42
  • Includes carrying pouch, test leads, thermocouple with adapter, and batteries
  • CAT IV 600V Safety Rating

FEATURES

Klein Tools

Klein Tools

Klein Tools

Ensures improved accuracy using automatic ranging TRMS technology

Meter measures up to 1000V AC/DC voltage and 10A AC/DC current

Reverse contrast display with automatic backlight control

Klein Tools Klein Tools Klein Tools Klein Tools Klein Tools Klein Tools
MM450 MM420 MM325 69355 69149P CL120VP
See Details
Customer Reviews
—
4.6 out of 5 stars
110
4.8 out of 5 stars
581
4.8 out of 5 stars
693
4.7 out of 5 stars
1,826
4.8 out of 5 stars
2,961
Price — $49.64 $34.97 $44.54 $39.97 $79.98
Mfg. No. MM450 MM420 MM325 69355 69149P CL120VP
Description Slim Digital Multimeter, TRMS Auto-Ranging, 600V, Temp Digital Multimeter, TRMS Auto-Ranging, 600V, Temp Digital Multimeter, Manual-Ranging, 600V Premium Electrical Test Kit Test Kit with Multimeter, Non-Contact Volt Tester, Receptacle Tester Clamp Meter Electrical Test Kit
Klein Tools Klein Tools Klein Tools Klein Tools Klein Tools Klein Tools
ET600 MM320KIT CL320KIT CL120KIT RT250KIT NCVT5KIT
Customer Reviews
4.7 out of 5 stars
1,106
4.8 out of 5 stars
1,829
4.7 out of 5 stars
1,123
4.8 out of 5 stars
613
4.8 out of 5 stars
1,410
4.6 out of 5 stars
386
Price $164.99 $52.99 $118.99 $74.97 $39.98 $34.99
Mfg. No. ET600 MM320KIT CL320KIT CL120KIT RT250KIT NCVT5KIT
Description Insulation Resistance Tester Digital Multimeter Electrical Test Kit HVAC Electrical Test Kit Clamp Meter Electrical Test Kit Premium Dual-Range NCVT and GFCI Receptacle Tester Electrical Test Kit Dual Range NCVT and GFCI Receptacle Tester Electrical Test Kit

What's in the box

  • Digital Multimeter, TRMS Auto-Ranging, 1000V, Temp, Low Impedance

    • Product guides and documents

    Instructions for Use (IFU) (PDF)

    Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    991 global ratings

    Customers say

    Customers like the electric circuit testing device for its accuracy, value, and ease of use. They mention that it comes with a lot of accessories, is great for the money, and is repeatable as any higher priced fluke. They appreciate the leads. However, some customers have issues with the hole and have different opinions on the display.

    AI-generated from the text of customer reviews

    81 customers mention74 positive7 negative

    Customers are satisfied with the quality of the electric circuit testing device. They mention that it is a solid tool, well built, and reliable. They also say it's fantastic for the work they need to do, durable, and accurate. Customers are also happy with the high quality look and feel of the meter.

    "seams to be very tuff as well. leads are good and comes with great alligator clip's nice case and even has thermocouple with it...." Read more

    "...This meter is a great meter for casual users. Accurate and with a wide range of features, this meter costs a fraction of the price of meters you..." Read more

    "...I chose this one from Klein Tools and I love it. It is easy to use, durable and accurate. Do yourself a favor and get one!" Read more

    "...There products and workmanship are very good.Thank you" Read more

    35 customers mention30 positive5 negative

    Customers like the value of the electric circuit testing device. They say it's a great digital multimeter for the cost, and is as solid, accurate, and repeatable as any higher priced fluke. Some say it works good for that price.

    "...The price is not so bad for me. Hope buyers out there will like as much as I do." Read more

    "...Accurate and with a wide range of features, this meter costs a fraction of the price of meters you might find in a professional lab...." Read more

    "The pros: The MM700 is a great value for the money. True RMS and the screen is large enough for my aging eyes to see...." Read more

    "A great meter for the price. As accurate as Fluke without the added cost. Love it! Recommended." Read more

    30 customers mention23 positive7 negative

    Customers like the accuracy of the electric circuit testing device. They say it is extremely accurate, clear, and easy to read. Some say the increase in accuracy was immediately noticed. Overall, most are satisfied with the product's accuracy and functionality.

    "...everything is of high quality. extremally accurate have tested it with several high end meters and is as accurate or better." Read more

    "...This meter is a great meter for casual users. Accurate and with a wide range of features, this meter costs a fraction of the price of meters you..." Read more

    "...It is easy to use, durable and accurate. Do yourself a favor and get one!" Read more

    "...for someone that wanted a range extension, and it was giving me a zero volt reading...." Read more

    10 customers mention10 positive0 negative

    Customers find the electric circuit testing device easy to use. They mention that it comes with a lot of accessories and is affordable.

    "...I chose this one from Klein Tools and I love it. It is easy to use, durable and accurate. Do yourself a favor and get one!" Read more

    "...The meter is Easy to use; Easy to read, is light weight, and comes with a decent set of leads, and alligator style clips that fit on the end of the..." Read more

    "...It is accurate and easy to use, and has all the features I could use. The reversed screen is really nice to look at...." Read more

    "...It is easy to use, hold, and read. The auto ranging feature makes this meter much better than my previous meters." Read more

    6 customers mention6 positive0 negative

    Customers are satisfied with the leads that come with the electric circuit testing device. They mention that the leads are good, adequate, and convenient. The standard test lead connectors mean that all aftermarket test leads work with this meter.

    "seams to be very tuff as well. leads are good and comes with great alligator clip's nice case and even has thermocouple with it...." Read more

    "...The standard test lead connectors means all aftermarket test leads work with this meter, too...." Read more

    "...meter is Easy to use; Easy to read, is light weight, and comes with a decent set of leads, and alligator style clips that fit on the end of the leads..." Read more

    "...The supplied leads are adequate, and importantly can share with the other Klein metering tools...." Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the accessories that come with the electric circuit testing device. They mention that the leads are good, it has everything they'd need, and it comes with a great alligator clip.

    "seams to be very tuff as well. leads are good and comes with great alligator clip's nice case and even has thermocouple with it...." Read more

    "...Different accessories are available, too, if you wish...." Read more

    "...Love that accessories were included as well as a carrying case." Read more

    "Meter is much better than my old Fluke.Has everything you’d need...." Read more

    17 customers mention11 positive6 negative

    Customers have mixed opinions about the display of the electric circuit testing device. Some find it easy to read LED display that is nice and easy to see at any angle. However, others say that the LCD screen is nearly unreadable when viewed straight on and lacks contrast.

    "...(easy to read). It is in my go to tool bag...." Read more

    "...Great value for the features, excellent display, rugged. I needed the LoZ feature and the choice of meters is limited...." Read more

    "...built-in stand, it's fine, but if it's vertically straight, the display is faded. The carry case should be a liitle bit larger...." Read more

    "Construction seems solid. Display is really nice, easy to see at any angle. Continuity tone is easy to hear. Probe leads feel a little cheap...." Read more

    6 customers mention0 positive6 negative

    Customers are dissatisfied with the hole in the electric circuit testing device. They mention that it's broken on the inside, the speaker's plastic was cracked, and the screen broke a month after purchase. They also say that the screw or the plastic hole was stripped.

    "...Other than a small crack in the corn of the package this thing is the same as the full price one. Works great and is accurate from what I can tell." Read more

    "...Nice meter otherwise.UPDATE: Discovered that the 500ma fuse was blown. Ordered a new one...." Read more

    "...Seems like it is broken on the inside, and since I did not check it right away, cannot return it now. Would not recommend." Read more

    "...The continuity test buzzer was not really audible. The speaker's plastic was cracked and was rattling around inside the meter housing...." Read more

    Could have been better!
    4 Stars
    Could have been better!
    Feature rich but the components used are cheap Chinese made! Could have been used some better for durability and reliability!
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    Top reviews from the United States

    ALB
    5.0 out of 5 stars Super nice,features most needed.
    Reviewed in the United States on April 22, 2024
    Style: w/Reverse Contrast DisplayVerified Purchase
    Klein knows the real world needs...typically engineer this in all of their products.
    Helpful
     Report
    The AmazonBuyerGuy
    5.0 out of 5 stars I love a BiG easy to read LED display
    Reviewed in the United States on August 10, 2023
    Style: w/Reverse Contrast DisplayVerified Purchase
    I have a few of these volt meters. But this one become my fav really quick for it BiG LED display numbers (easy to read). It is in my go to tool bag. This summer of 2023 help my 2 adult daughters new home to install many electronics items (16 fans, 12 outdoor outlets for security cameras, etc..)

    The price is not so bad for me. Hope buyers out there will like as much as I do.
    2 people found this helpful
    Helpful
     Report
    Stephen Browning
    5.0 out of 5 stars very accurate.
    Reviewed in the United States on September 26, 2023
    Style: TRMS/Low ImpedanceVerified Purchase
    seams to be very tuff as well. leads are good and comes with great alligator clip's nice case and even has thermocouple with it. everything is of high quality. extremally accurate have tested it with several high end meters and is as accurate or better.
    One person found this helpful
    Helpful
     Report
    Richard M.
    4.0 out of 5 stars Great meter at a great price
    Reviewed in the United States on April 21, 2024
    Style: w/Reverse Contrast DisplayVerified Purchase
    Digital multimeters run the gamut from über cheap (in every sense of the word) to oh-dear-god-who-would-pay-so-much-for-a-meter???

    This meter is a great meter for casual users. Accurate and with a wide range of features, this meter costs a fraction of the price of meters you might find in a professional lab.

    (I work in a professional lab, and not once have I ever wished I had my "work meter" in my garage workbench. This Klein meter is a fine meter, indeed.)

    The standard test lead connectors means all aftermarket test leads work with this meter, too. Alligator clips, mini-grabbers, spring-loaded probes all work with this meter.

    For the price, this meter would be hard to beat.
    Helpful
     Report
    t594
    5.0 out of 5 stars A GREAT Multimeter!
    Reviewed in the United States on September 11, 2023
    Style: TRMS/Low ImpedanceVerified Purchase
    I was in the market for a nice higher end multimeter that tests capacitors and diodes. I chose this one from Klein Tools and I love it. It is easy to use, durable and accurate. Do yourself a favor and get one!
    2 people found this helpful
    Helpful
     Report
    S
    5.0 out of 5 stars Excellent Service
    Reviewed in the United States on March 8, 2024
    Style: TRMS/Low ImpedanceVerified Purchase
    The day this meter was delivered, I opened the pkg and tested to see how it looks and works in my shop. Turns out the bottom segment of all digits was not working on any function. I'm still giving 5 stars because there was no hassle or questions about getting a replacement. From start to finish, it took less than 10 days. I now have a working replacement and couldn't be happier.
    Helpful
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    Seth
    5.0 out of 5 stars Great ohm meter at an affordable price!
    Reviewed in the United States on September 23, 2023
    Style: TRMS/Low ImpedanceVerified Purchase
    You can't beat a Fluke, but at the cost of this Klein ohm meter. It's hard to beat!
    Helpful
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    George L.
    5.0 out of 5 stars As Advertised! Easy to readd
    Reviewed in the United States on September 22, 2023
    Style: TRMS/Low ImpedanceVerified Purchase
    As Advertised! Klein has always been my selected brand for electronic tools and I've used them for many years. There products and workmanship are very good.

    Thank you
    Helpful
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    Top reviews from other countries

    Translate all reviews to English
    Kevin Gilbert
    1.0 out of 5 stars Came up banged up and missing component
    Reviewed in Canada on October 25, 2023
    Style: w/Reverse Contrast DisplayVerified Purchase
    Received the multimeter without the little isolated pincer, the box was already opened and the unit itself had electrical issue preventing the battery to properly power up the device.
    Ordered another from a different seller and had none of these problem.
    Report
    P S
    5.0 out of 5 stars Great
    Reviewed in Canada on July 14, 2023
    Style: TRMS/Low ImpedanceVerified Purchase
    I have been using it regularly for school and work for almost a year now. It's been excellent so far. I've never dropped it so I can't speak to the durability, but it's really well made and comfortable to use.
    Report
    Pedro
    5.0 out of 5 stars la marca en si es una garantía
    Reviewed in Mexico on May 8, 2023
    Style: w/Reverse Contrast DisplayVerified Purchase
    Las funciones que he usado funcionan bastante bien, aunque la marca ofrece cierta garantía, ya que ha Sido popular en el mercado de herramientas para electricista desde hace tiempo
    Report
    Amazon Customer
    4.0 out of 5 stars Good build quality. Dim screen
    Reviewed in Germany on September 28, 2021
    Style: TRMS/Low ImpedanceVerified Purchase
    As advertised, this is very rugged, high build quality.
    On the negative side, LCD contrast is marginal, only good when read 45deg down from the face. Dim when viewed from any other angle.
    Report
    Rob
    5.0 out of 5 stars Great tool.
    Reviewed in Australia on May 31, 2021
    Style: TRMS/Low ImpedanceVerified Purchase
    Easy to use. Sturdy construction.

    Awesome.
    Report