

⚡ Clamp, Test, Conquer – The Ultimate Pro’s Power Tool
The Klein Tools CL390 is a robust, auto-ranging digital clamp meter designed for professionals who demand precision and versatility. Featuring a 400A AC/DC current clamp, integrated non-contact voltage testing, and a high-visibility reverse contrast LCD, it delivers reliable measurements across voltage, current, resistance, frequency, capacitance, and temperature. With hands-free operation options and a CAT III 600V safety rating, it’s engineered to elevate your electrical diagnostics with speed and confidence.






| ASIN | B08DTDCG7T |
| Best Sellers Rank | #101,860 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #491 in Multi Testers |
| Brand | KLEIN TOOLS |
| Brand Name | KLEIN TOOLS |
| Color | Black |
| Colour | Black |
| Country Of Origin | China |
| Customer Reviews | 4.7 out of 5 stars 1,746 Reviews |
| Global Trade Identification Number | 00092644692871 |
| Included Components | AC/DC Digital Clamp Meter |
| Item Dimensions | 21.5 x 8.9 x 3.8 centimeters |
| Item Type Name | Digital Clamp Meter, Auto Ranging 400 AMP Measures Electronic AC/DC Voltage AC/DC Current Resistance and TRMS Klein Tools CL390 |
| Item Weight | 236 g |
| Item Width | 3.5 Inches |
| Item dimensions L x W x H | 21.5 x 8.9 x 3.8 centimeters |
| Item weight | 236 g |
| Manufacturer | KLEIN TOOLS |
| Maximum Operating Voltage | 600 Volts |
| Measurement Type | Voltmeter |
| Model | CL390 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Specification Met | CE, CATIII 600V, Class 2, Double Insulation |
| Style | 400A AC/DC Current |
| Style Name | 400A AC/DC Current |
| UPC | 092644692871 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 1832 Degrees Fahrenheit |
M**A
Excelente producto para electricidad y aire acondicionado
Producto excelente, exactamente lo que pedi Realmente tenía miedo que ya que varios usuarios de redes decían que no les llegaba o era un modelo diferente . Afortunadamente todo llegó bien, en tiempo y forma. Chulada de equipo
J**A
Excellent price point excellent tester from an excellent company as usual
In my line of work the daul screen is very necessary, makes for ease of work. Value for the money!!!! I’ve had a CL600 for 15 years and no issues so this was a no brainer
D**N
Great Tong Meter!
Solid as a rock build that is super easy to operate one handed. Screen is really bright and easy to read. Has all the features you need and reads really accurately. Case is great to keep odds and ends in but can't fit a line splitter. Another impressive one from Klein!
D**G
A great meter
Was looking for a comprehensive meter to handle a number of diagnostic tasks around home (AC120v) and around an RV for electrical and appliance diagnostics. (DC12v & AC120v). This seemed like a great choice and has performed very well. We are very happy with this purchase
M**E
Simple to Use, Many functions, Excellent value
This meter combines almost all of the functions of a good good conventional digital multimeter (DMM) with the convenience and simplicity of an AC / DC clamp current meter, giving the best of both worlds in one compact unit. The display is large and easy to read, though it is white numbers on black background instead of the usual black on white; it's back illuminated. Some reviewers stated that the display shuts off too rapidly (power saving feature); it does have a 5-minute time out function, however, this can be easily overridden and turned off so that the meter stays on continuously (this is explained in the instruction manual, as are many other excellent features that are not immediately apparent). All features are easy to access, and the buttons and switches on this meter, including the thumb operated rotary range dial, work smoothly and reliably. It comes with a thermocouple temperature probe, test leads, batteries, a case, and an instruction manual; In other words, it is a complete kit ready to go right out of the package. I checked the meter on a voltage reference and the calibration was very good. The only additional feature that I wish this meter had was an in-circuit 10 amp current measuring range. That said, the clamp sensing current measurement is more accurate at low current than I thought it would be.
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