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Description
Klein Tools Clamp Meter CL120 400A AC Auto Ranging Multimeter (600V AC DC Tester 20M Ohm Backlit LCD 1.6 Inch Jaw Circuit Diagnostics Test Leads)Verify Alternate Current Amperage and Trace Live Circuit Nodes Instantly with Heavy Duty Non Contact Clamp Detection The Klein Tools CL120 is an automatically ranging digital clamp multimeter engineered for direct diagnostic verification of current up to 400A AC and line potential up to 600V AC DC. This field test instrument tracks structural load consumption profiles across residential and light industrial environments without opening structural
Verify Alternate Current Amperage and Trace Live Circuit Nodes Instantly with Heavy Duty Non Contact Clamp Detection
The Klein Tools CL120 is an automatically ranging digital clamp multimeter engineered for direct diagnostic verification of current up to 400A AC and line potential up to 600V AC/DC. This field test instrument tracks structural load consumption profiles across residential and light industrial environments without opening structural conductor pathways. Operating within a certified CAT III 600V safety envelope, the device integrates an interior jaw-mounted non-contact voltage sensor alongside a 20MΩ resistance track to execute complete branch monitoring and continuity audits inside dark mechanical closets.
Best Used For:
- Blower Motor Audits: Clamping the spring jaw assembly over unshielded HVAC fan power supply lines to measure active operational alternate current draw.
- Junction Box Sweeps: Running the integrated induction sensing head along bundled branch circuit runs to isolate live conductors without exposed wire contact.
- Control Loop Diagnostics: Utilizing the premium test lead set to verify low-voltage transformer outputs, relay switches, and micro-terminal pathway resistance.
Key Performance & Safety Features
- Auto-Ranging Processing Core: Automated scale tracking microcircuits select optimal parameters matching active line metrics to ensure quick readings.
- Jaw-Embedded Safety Sensor: Non-contact alternate current voltage tracing block inside the 1.6-inch jaw performs instant pre-test panel checks.
- Illuminated Data Interface: Clear 2000-count backlit LCD screen displays high-contrast characters to bypass physical lighting barriers in tight staging areas.
- Double-Insulated Framework: Hardened impact casing passes structural jobsite validation drop test protocols on solid concrete surfaces from up to 6.6 feet.
- Automated Power Management: Integrated firmware triggers a complete safety shutdown after ten minutes of inactivity to defend internal battery cell health.
What's Included
- CL120 Digital Clamp Meter
- Set of Test Leads with CAT III/CAT IV Safety Caps
- Soft Carrying Case
- Three AAA Alkaline Batteries
- Instruction Manual
Technical Specifications
Pro-Tip: When capturing active lines with your hook assembly, lock only one single conductor inside the 1.6-inch tracking jaw; running grouped multi-wire utility ropes cancels out magnetic line patterns and outputs a false zero reading.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Best toys ever
Color: Blue T-Bone, Size: 2 Count
Some of the best toys ever. Last a long time for my Frenchies.
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Reviewed in the United States on May 15, 2026
★★★★★ 4
Great for chewing but very sharp and mangled in a few days
Color: Blue Gator, Size: 1 Count, Color: Blue Gator, Size: 1 Count
I thought this was a fantastic idea having baking soda added for fresh clean teeth while enjoying a new toy. I wanted to review 2 main things about this.
First, if my dog enjoyed this toy. That answer would be yes absolutely! She is chewing it as I’m writing this right now. She can spend a good amount of time chewing away on this and it keeps her busy without having to use a rawhide treat which we only try to use if we re going to be gone for longer then 4 hours. The kids love playing fetch with her and she stays engaged the whole time. It is very heavy and when being thrown can become a weapon so I always supervise!
Last, the durability of the toy. So it is durable but not completely. As you can see the toy got very sharp where she has been chewing it and I’ve even noticed a little blood on it which means it’s cutting her gums. It wasn’t a large enough amount for me to take it away. It is still almost the exact same size but maybe after a month I will re edit this for more accurate on durability since it’s only been about a week that she has gotten it.
Overall, I would recommend this toy it’s a great price and keeps her attention a lot more then other toys I spent twice the amount of money on!
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Reviewed in the United States on March 9, 2022
★★★★★ 3
Too Hard
Color: Blue T-Bone, Size: 1 Count
I have a pit puppy, 20 lbs, who loves to chew. She's huge for her age, and I wanted to get her a new toy. I bought two different toys, hoping she would like one. The other toy was a hit, they both jumped at it and were excited about it, probably because it had rawhide rings that went with it. This one was immediately thrown to the side, even though my pit loves to chew on non edible toys. I think this one was just too hard, because both her, and my Chihuahua-Jack Russell, weren't interested. It didn't have any smell to attract them, which is why I bought it, because they love peanut butter stuff. I'm not going to go as far as to lick it and taste it... I'm pretty sure it won't taste like peanut butter, either. I feel so bad for my little pittie, she's just sitting here with a sad look on her face because my other dog stole the fun chew toy. I've immediately ordered another of one of those so they both have one, but I've just money wasted on this one. It's probably better they don't like it, I'd be worried about them breaking their teeth. I know it's supposed to be for power chewers, but it has no give whatsoever, just extremely hard, shiny plastic. It's useless, unless you're planning on filing it into a point and making a prison shank. Maybe you can leave it in front of the fridge for your SO to step on in the middle of the night when he goes to steal your almond milk. I'll figure out some way to use it. I did dip it into my boyfriend's peanut butter jar to let my puppy lick it, but I can do that with a spoon. I wanted her to feel like she got something, maybe my other dog will let her have a turn with the fun toy after awhile. That's the only reason I gave it 3 stars. You can dip it in peanut butter and I was being generous.
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Reviewed in the United States on March 27, 2022
★★★★★ 5
Can become brittle with sharp edges with use.
Color: Blue T-Bone, Size: 1 Count
Our little dog loved chewing this, however after chewing the toy became jagged and brittle with sharp edges that cut into her upper lip which took about 2 weeks to heal. Unfortunately the return window had closed.
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Reviewed in the United States on March 10, 2026
★★★★★ 5
Busy bone
Color: Blue T-Bone, Size: 1 Count, Color: Blue T-Bone, Size: 1 Count
My dog loves these!! Great busy bone! And they can hold it with her paws really well. It does kill your foot if you step on it barefoot in the middle of the night. This is a picture of the bone after 7months.
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Reviewed in the United States on June 1, 2026