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Klein Tools CL900 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Voltage/Current, 2000A, LoZ , Continuity, Frequency, NCVT, Temp, More, 1000V

4.6 4.6 out of 5 stars 432 ratings

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Purchase options and add-ons

Brand Klein Tools
Power Source Battery Powered
Style 2000A Digital Clamp Meter
Color Black, Orange
Item Weight 17.6 Ounces

About this item

  • VERSITILE TOUGH CLAMP METER: Measures AC/DC current, inrush and NCVT via clamp; AC/DC voltage, resistance, continuity, frequency/duty cycle, diode test and capacitance via test-leads
  • EXPANDED CAPABILITY: Low impedance mode (LoZ) for eliminating ghost voltages and dedicated mode for capturing inrush current
  • BACKLIT DISPLAY: LCD shows clear readings in low-light conditions for enhanced visibility
  • ACCURATE MEASUREMENTS: Auto-ranging and True Root Mean Squared (TRMS) technology provides precise and accurate measurements
  • CONVENIENT FEATURES: Test lead holder on the side of the clamp and optional magnetic hanger (Cat. Nos. 69445 or 69417) for hands-free operation
  • ENHANCED DURABILITY: IP40 ingress protection and 6.6 ft. (2 m) drop protection to meet jobsite demands
  • COMPLETE PACKAGE: Includes carrying case, test leads with CAT III/CAT IV safety caps, instructions, and 2 x AAA batteries
See more product details

Customer ratings by feature

Easy to read
4.7 4.7
Value for money
4.6 4.6
Easy to use
4.4 4.4
Accuracy
4.2 4.2

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Klein Tools CL900 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Voltage/Current, 2000A, LoZ , Continuity, Frequency, NCVT, Temp, More, 1000V
Klein Tools CL900 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Voltage/Current, 2000A, LoZ , Continuity, Frequency, NCVT, Temp, More, 1000V
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Price-15% $169.99
List:$199.94
$70.36$96.51$89.99$79.99$79.20
Delivery
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
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Customer Ratings
Easy to read
4.7
4.9
4.4
4.3
4.8
4.6
Easy to use
4.4
4.9
4.1
4.6
4.6
4.7
Accuracy
4.2
4.9
4.6
4.5
4.6
4.8
Value for money
4.6
4.5
4.6
4.8
Sold By
Amazon.com
Amazon.com
Amazon.com
KAIWEETS Direct
Amazon.com
Amazon.com
power source
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
Battery Powered
measurement type
Multimeter
Multimeter
Multimeter
style
2000A Digital Clamp Meter
Safety
1-1/2-Inch Jaw
AC/DC clamp meter
Home Tester 6-Piece Kit with Circuit Finder
Kit
weight
17.6 ounces
1.58 pounds
0.79 pounds
0.7 kilograms
1.78 pounds
1.78 pounds

Product guides and documents


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 Clamp Meter, Autoranging TRMS, AC/DC Voltage/Current, 2000A, LoZ , Continuity, Frequency, NCVT, Temp, More, 1000V

The CL900 Electrical Tester is an auto-ranging, true root mean square (TRMS) digital clamp meter. It measures AC/DC current via the clamp and measures AC/DC voltage, resistance, continuity, frequency, duty-cycle, capacitance, and tests diodes via test-leads. It features a Low Impedance (LoZ) mode for identifying and eliminating ghost or stray voltages, and has a dedicated mode for capturing Inrush Current.

  • Digital Clamp Meter measures 2000A AC/DC, 1000V AC/DC, 60 Milliohm
  • Rugged Klein "TOUGH METER" industrial design stands up to jobsite demands; built to withstand a 6.6-Foot (2m) drop
  • Automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy
  • CAT IV 600V, CAT III 1000V, Class 2, double insulation safety rating
  • Backlit display for clear visibility in environments with low ambient lighting
  • Dedicated mode for capturing Inrush Current
  • Non-contact voltage tester integrated into the clamp
  • Low impedance (LoZ) mode for identifying and eliminating ghost or stray voltages

FEATURES

Klein Tools

Klein Tools

Klein Tools

Klein Tools Clamp Meter measures 2000A and 1000V AC/DC, 60M Ohms

Clamp Multimeter with dedicated mode to capture In-rush current

LoZ mode for identifying and eliminating ghost or stray voltages

Klein Tools Klein Tools Klein Tools Klein Tools
69401 69409 69417 69410
Customer Reviews
4.7 out of 5 stars
5,791
4.8 out of 5 stars
1,511
4.8 out of 5 stars
4,009
4.7 out of 5 stars
2,527
Mfg. No. 69401 69409 69417 69410
Description Multimeter Carrying Case Line Splitter 10x Rare-Earth Magnetic Hanger, with Strap Replacement Test Lead Set, Right Angle
Digital Clamp Meter Klein Tools Klein Tools Klein Tools
CL220 CL600 CL700 CL800
Customer Reviews
4.7 out of 5 stars
910
4.7 out of 5 stars
751
4.7 out of 5 stars
596
4.7 out of 5 stars
2,469
Mfg. No. CL220 CL600 CL700 CL800
Description Digital Clamp Meter, AC Auto-Ranging 400 Amp with Temp Digital Clamp Meter, True RMS, AC Auto-Ranging, 600 Amps Digital Clamp Meter, AC Auto-Ranging TRMS, Low Impedance (LoZ) Mode Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), Auto Off

Product information

Technical Details

Additional Information

Warranty & Support

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Product Warranty: For warranty information about this product, please click here. [PDF ] User Manual User Manual [PDF ]

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Klein Tools CL900 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Voltage/Current, 2000A, LoZ , Continuity, Frequency, NCVT, Temp, More, 1000V


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Product Description

The CL900 Electrical Tester is an auto-ranging, true root mean square (TRMS) digital clamp meter. It measures AC/DC current via the clamp and measures AC/DC voltage, resistance, continuity, frequency, duty-cycle, capacitance, and tests diodes via test-leads. It features a Low Impedance (LoZ) mode for identifying and eliminating ghost or stray voltages, and has a dedicated mode for capturing Inrush Current. 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.

Looking for specific info?

Important information

Safety Information

Read, understand, and follow all instructions, cautions and warnings attached to and/or packed with all test and measurement devices before each useBefore each use, verify meter operation by measuring a known voltage or currentNever use the meter on a circuit with voltages that exceed the category based rating of this meterAlways adhere to local and national safety codes. Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed

Bulb Voltage

1000 volts

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
432 global ratings

Customers say

Customers like the performance, quality and value of the electric circuit testing device. They mention that it works great as a meter, accurate even at low current and that the build quality feels much more quality than their old one. They appreciate the value for money and find it easy to use. That said, opinions are mixed on the size.

AI-generated from the text of customer reviews

13 customers mention10 positive3 negative

Customers like the performance of the electric circuit testing device. They say it works great as a meter, accurate even at low current, and is a great tool. They also mention that the build quality and accuracy are great.

"...The klein is faster and very close in accuracy but carrys way more features. Great meter!..." Read more

"Excellent quality that hurt the wallet very accurate, feel great in the hand clamp is nice and tight holds on to the conductors well and I enjoy..." Read more

"Works great, accurate, easy to use and read if you have ever used a multimeter." Read more

"...Very frustrating. It made me realize that my Klein CL 900 was virtually useless...." Read more

10 customers mention10 positive0 negative

Customers are impressed with the build quality of the electric circuit testing device. They say it feels much more quality than their old one, and the inrush reading and durability are far superior to their Triplett or Amazon Commercial meters. Overall, customers are happy with the quality and durability of the product.

"Inrush reading and durability are far superior to my Triplett or Amazon Commercial meters...." Read more

"Excellent quality that hurt the wallet very accurate, feel great in the hand clamp is nice and tight holds on to the conductors well and I enjoy..." Read more

"...Overall, the CL900 is a good quality clamp meter. The Continuity tone beep is not as loud as the Fluke 179 and the Uni-T clamp meter...." Read more

"It’s built nice and sturdy. It has the ability to measure inrush current. It also has a non-contact voltage detector built in...." Read more

6 customers mention6 positive0 negative

Customers appreciate the value of the electric circuit testing device. They say it is a "damn good meter for the money".

"...and I have to say between features and accuracy this thing is worth every penny. If you need one meter that can damn near do anything this one is it...." Read more

"Purchased a second one for a friend great meter and cheaper than a fluke." Read more

"Great meter for the price! Klein is making meter w/ same options or more than fluke." Read more

"Nice affordable clamp meter...." Read more

3 customers mention3 positive0 negative

Customers find the electric circuit testing device easy to use and read. They mention that it works great and is accurate.

"Works great, accurate, easy to use and read if you have ever used a multimeter." Read more

"...built product and by following the included operators manual its very easy to use. You get True RMS and auto ranging...." Read more

"Easy to use and easy to read. Excellent quality and durability. LED backlit screen is useful...." Read more

6 customers mention2 positive4 negative

Customers are mixed about the size of the electric circuit testing device. Some mention it's heavy compared to a lot of clamp meters, while others say it' s too big to carry in a tool bag. However, some say it works great as a meter and is not useful for tight spaces.

"...My existing multi meters did not have that option. It is a bit bulky, but I like the feel of it...." Read more

"...It has a large clamp and is not a small meter. Heavy compared to a lot of clamp meters. Been great so far." Read more

"Works great as a meter. Too big to carry in a tool bag. Good truck box meter?..." Read more

"...The Klein CL900 felt solid, chunky, and heavy, like it could take a lot of wear and tear...." Read more

3 customers mention0 positive3 negative

Customers have reported issues with the frequency setting of the electric circuit testing device. They mention that the frequency and voltage settings stopped working after a few weeks of use.

"...Sure enough, it did. Now 2 setting on the CL900 don't work. The first review states it's made in China not USA :/ it's true...." Read more

"Measuring Ac/Dc Current (less than 2000A) with the clamp is not working...." Read more

"CL-900/the clamp does not work/at all!..." Read more

Good quality and feature packed.
4 Stars
Good quality and feature packed.
Hardware store in my town only sells the CL800 and smaller clamp meters. I did not realize how large this clamp meter is compared to a Fluke 179.I took the clamp meter to work to compare its measurement abilities with other meters.The CL900 measured various 0603 resistors in the kiloohm range on par with all of the other meters.It was not as accurate when measuring 0603C1.5nF, 0603C4.7nF, and 1206C1.0nf capacitors compared to the five hundred dollar BK Precision 880 LCR and the slow autoranging Amprobe 37XR-A. It did perform better than the Fluke 179. CL900 had no problem measuring a 0805C47uF capacitor. It was on par with all of the other meters. Also, the clamp meter autoranged faster than the Amprobe 37XR-A.Used the clamp meter and a Klein Tools 10X Line Splitter to measure the AC current draw of a 8.3 amp heat gun.Measured AC current while a coil was getting energized with the CL900 and compared its reading to another clamp meter.Measured DC current of a stepper motor and compared the clamp meters reading to a Fluke 179.Measured the frequency of a 125kHz RFID circuit.I did not test the INRUSH feature.Overall, the CL900 is a good quality clamp meter. The Continuity tone beep is not as loud as the Fluke 179 and the Uni-T clamp meter. The NCV might be slightly more sensitive than it should be. The Continuity test on my CL900 was best with a good quality test lead set. The storage bag is okay but not great. The light accessory is a good feature.I will be purchasing the magnetic hanger and a better quality storage case for this meter.
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Top reviews from the United States

Reviewed in the United States on June 29, 2023
5 people found this helpful
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Reviewed in the United States on November 12, 2019
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5.0 out of 5 stars Best all around value out there
Reviewed in the United States on November 12, 2019
I've had this meter for a while now and I have to say between features and accuracy this thing is worth every penny. If you need one meter that can damn near do anything this one is it. I own a fluke 28ii that is significantly more than this one. The klein is faster and very close in accuracy but carrys way more features. Great meter!

4-11-21 UPDATE I want to change my review from 5 to 5.5 stars. This thing has impressed me everytime I use it with my flukes. I'm reading low current draw 10X's magnified and getting the same exact readings as my $500 fluke with a $140 clamp and it in the mA setting. I'm still convinced this is the best all purpose meter you can buy.
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25 people found this helpful
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Reviewed in the United States on December 24, 2023
Reviewed in the United States on June 13, 2022
2 people found this helpful
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Reviewed in the United States on September 25, 2023
Customer image
4.0 out of 5 stars Good quality and feature packed.
Reviewed in the United States on September 25, 2023
Hardware store in my town only sells the CL800 and smaller clamp meters. I did not realize how large this clamp meter is compared to a Fluke 179.

I took the clamp meter to work to compare its measurement abilities with other meters.

The CL900 measured various 0603 resistors in the kiloohm range on par with all of the other meters.

It was not as accurate when measuring 0603C1.5nF, 0603C4.7nF, and 1206C1.0nf capacitors compared to the five hundred dollar BK Precision 880 LCR and the slow autoranging Amprobe 37XR-A. It did perform better than the Fluke 179. CL900 had no problem measuring a 0805C47uF capacitor. It was on par with all of the other meters. Also, the clamp meter autoranged faster than the Amprobe 37XR-A.

Used the clamp meter and a Klein Tools 10X Line Splitter to measure the AC current draw of a 8.3 amp heat gun.

Measured AC current while a coil was getting energized with the CL900 and compared its reading to another clamp meter.

Measured DC current of a stepper motor and compared the clamp meters reading to a Fluke 179.

Measured the frequency of a 125kHz RFID circuit.

I did not test the INRUSH feature.

Overall, the CL900 is a good quality clamp meter. The Continuity tone beep is not as loud as the Fluke 179 and the Uni-T clamp meter. The NCV might be slightly more sensitive than it should be. The Continuity test on my CL900 was best with a good quality test lead set. The storage bag is okay but not great. The light accessory is a good feature.

I will be purchasing the magnetic hanger and a better quality storage case for this meter.
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2 people found this helpful
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Reviewed in the United States on June 21, 2023
3 people found this helpful
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Reviewed in the United States on January 3, 2023
Reviewed in the United States on November 6, 2021

Top reviews from other countries

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John
5.0 out of 5 stars Great meter
Reviewed in Canada on November 3, 2023
Gareth Gama
4.0 out of 5 stars Very accurate
Reviewed in Australia on February 11, 2024
J. Christiansen
5.0 out of 5 stars Nice tool
Reviewed in Canada on September 17, 2023
Jesús Torres
5.0 out of 5 stars Excelente
Reviewed in Mexico on January 29, 2024
sau
5.0 out of 5 stars llego en tiempo y forma
Reviewed in Mexico on December 18, 2023