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🔧 Empower your electrical expertise with AstroAI’s smart clamp meter!
The AstroAI Digital Clamp Meter CM2K0R delivers professional-grade electrical testing with 2000 counts resolution and auto-ranging capabilities. It accurately measures AC/DC voltage, AC current (single conductor), resistance, capacitance, and continuity, enhanced by non-contact voltage detection with audible and visual alerts. Designed for both industrial and home use, it features a backlit LCD, built-in flashlight, data hold, and auto shut-off for convenience. Safety certified to Overvoltage Category III 600V and Pollution Degree 2, this compact, battery-powered tool is backed by responsive California-based support, making it an essential, reliable companion for millennial professionals seeking precision and peace of mind.











| ASIN | B08MTTX66X |
| Best Sellers Rank | #644 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Clamp Meters |
| Brand | AstroAI |
| Brand Name | AstroAI |
| Color | Blue |
| Compatible Devices | Any device with electrical circuits or components |
| Customer Reviews | 4.6 out of 5 stars 9,372 Reviews |
| Included Components | 2000 Counts Clamp Meter, Test Leads (Pair), User Manual, Storage Bag |
| Item Dimensions | 2.68 x 1.14 x 7.67 inches |
| Item Weight | 386 g |
| Item dimensions L x W x H | 2.68 x 1.14 x 7.67 inches |
| Manufacturer | AstroAI |
| Measurement Type | Multimeter |
| Minimum Operating Voltage | 2 volts |
| Model | CM2K0R |
| Number of Items | 1 |
| Part Number | CM2K0R |
| Power Source | Battery Powered |
| Specification Met | Beep |
| Style | 2000 Counts AC Current |
| Style Name | 2000 Counts AC Current |
| Unit Count | 1 Count |
T**5
Amazing
I just started my electrical journey and this was everything i needed to start off on the right path. It came with a carrying case, and that’s easy for transportation. I came with a nice instructions manual. It was so quiet and accurate. Easy to read and luv its functionality. Over all it’s a great way to go.
M**E
Smaller fit and versatile
Compact, Versatile Meter with Great Features for the Price The AstroAI Digital Clamp Meter Multimeter (2000 Counts) packs a lot of functionality into a compact form factor. It fits comfortably in your hand, and the controls are well laid out, making it easy to change settings with your thumb while holding the meter. In addition to measuring AC current with the clamp, it also measures AC/DC voltage, resistance, capacitance, and diodes, making it a versatile tool for both hobbyists and general electrical troubleshooting. The display is easy to read, includes a backlight, and I also appreciate the built-in LED flashlight on the front—it has come in handy more than once when working in dimly lit areas. Keep in mind that the AC current clamp only works when measuring a single conductor. This isn't immediately obvious if you're new to clamp meters, and it's easy to assume you can simply clamp around an appliance's power cord. Because the hot and neutral conductors carry equal and opposite currents, their magnetic fields cancel, so the clamp won't measure the appliance's current that way. You'll need access to a single conductor (or use a line splitter) to make an accurate measurement. Overall, this is a good value for the money. If you need an inexpensive, compact meter with a wide range of functions, it's hard to complain at this price point. Just be aware of the limitations of the clamp function and use it accordingly.
N**A
Tool of the year
This was a great investment for me. My Highlanders alternator was bad and I needed to test its voltage output and came realize that I didn’t have a multimeter to test it. I bought this AstroAI and it came quick, at the same time I ordered an alternator just to be safe and ready. It is very easy to use, I accurately test the old alternator. Accuracy is important, so as functionality, display and appearance.
G**A
Nice view voltmeter
Works well so far, only used it a couple of times. Like the fact I don’t always have use the probes, put end of loop close to outlets and I get a reading display is easy enough to read. Good buy for the price
P**E
Great Meter for DIY and Home Electrical Work
I purchased this clamp meter for basic electrical troubleshooting and have been happy with it so far. The display is easy to read, the controls are straightforward, and the auto-ranging feature makes it much easier to use than older meters I've owned. The included test leads and accessories were a nice bonus, and the clamp function is especially convenient when checking current without needing to disconnect wires. It feels solid in the hand and comes with a case for storage, which helps keep everything organized. Overall, this is a great option for homeowners, DIYers, or anyone who needs a reliable meter without spending a fortune on a professional-grade model.
G**G
Easy to use.
Works geat.... easy to use. Great features.
P**E
Clamp Around Only ONE Conductor To Measure AC Current
Elec Engr here. For those who are using this meter to measure AC current and getting very low numbers, you are very likely clamping around the hot wire as well as the return neutral wire (the two together, at the same time), and are thus measuring only the common mode current, which should be very low. In order to measure the current passing through your appliance, you need to clamp around only one conductor. If your appliance has a power cord of two conductors with a common jacket or sheath, or is in zip-wire format, you need to break out one of the conductors and clamp around just one conductor. It doesn't matter if you clamp around the hot or the neutral - you should get the same number in both cases. When I do current testing of an electrical appliance, I have a 1 ft extension cord that I've modified to break out the insulated hot and neutral wires. I then insert this extension cord between the wall outlet and the appliance, so that I can measure current delivered to the appliance without modifying the cable the emanates from the appliance. DO NOT HAVE ANY BARE WIRES, everything should be insulated. As for what I like about the meter, it has a good build feel to it and measures AC currents down to 5 mA, which is great for working on very low current AC control circuits.
A**R
Great product! All you need for DIY!
Great product for a great price. Holds in your hand very easily since it's a slim model. It's for DIY projects, no Fluke needed. Carrying case is nice as well. Recommend this product!
A**.
Alles gut angekommen..
Bis jetzt funktioniert es gut..
M**L
Ne fonctionne pas
Mauvaise qualité
M**I
Inaccurate
Mine was very inaccurate especially with clamp amper meter. It was showing something around 10A as 0.4A . I returned it.
M**O
Excellent AstroAI Digital Clam
Title: Excellent Value, Works Perfectly! This Multimeter is an absolute game-changer! It's incredibly accurate, super easy to use, and feels very durable. A fantastic essential tool for any DIYer or professional, highly recommend!
J**C
great pricing and fucntions
used it for just curiosity working on something, it's got more functions than i thought and reliable.
Trustpilot
2 weeks ago
4 days ago