
CL-390 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $31.49 | Condition is New, Hard Case for Klein Tools CL390/CL120/CL220/CL110/CL310/CL330/CL380 Digital , FREE SHIPPING | 98.9% |
![]() | $31.70 | Condition is New, RLSOCO Hard Case for Klein Tools CL220/CL390/CL110/CL120/CL310/CL330/CL380 , FREE SHIPPING | 98.7% |
![]() | $33.20 | Condition is New, Hard Case for Klein Tools CL390/CL120/CL490/CL320/CL220/CL110/CL310/CL330/CL3..., FREE SHIPPING | 100.0% |
![]() | $34.52 | Condition is New, Hard Case for Klein Tools CL390/CL120/CL490/CL320/CL220/CL110/CL310/CL330/CL3..., FREE SHIPPING | 99.3% |
![]() | $39.99 | Condition is New, Hard Case for Klein Tools CL390/CL120/CL490/CL320/CL220/CL110/CL310/CL330/CL3..., FREE SHIPPING | 95.3% |
![]() | $41.84 | Condition is New, Dura Estuche Compatible Con Pinza Amperimetrica Digital Klein Tools Cl..., FREE SHIPPING | 99.9% |
![]() | $41.84 | Condition is New, Funda Dura para Mult metro Digital Klein Tools CL390/CL120/CL220/CL110/CL310, FREE SHIPPING | 99.6% |
![]() | $42.13 | Condition is New, Hard Case for Klein Tools CL390/CL120/CL490/CL320/CL220/CL110/CL310/CL330/CL3..., FREE SHIPPING | 99.3% |
![]() | $54.95 | Condition is New, KLEIN Auto Ranging Digital Clamp Meter Multi Tester Temp Freq Cap Diode NCVT, shipping cost = $10.10 | 100.0% |
![]() | $64.30 | Condition is New, Klein Tools AC/DC Digital Clamp Meter, TRMS Auto-Ranging 400 Amp, FREE SHIPPING | 100.0% |
![]() | $64.98 | Top Pick! Condition is New, Klein Tools AC/DC Digital Clamp Meter, TRMS Auto-Ranging 400 Amp, FREE SHIPPING | 100.0% |
![]() | $55.00 | Condition is New, Klein Tools CL390 Auto-Ranging Digital Clamp Meter (CL390), shipping cost = $10.15 | 98.9% |
![]() | $58.44 | Condition is New, Klein Tools CL390 Auto-Ranging Digital Clamp Meter (CL390), shipping cost = $7.00 | 99.3% |
![]() | $57.88 | Condition is New, Klein Tools CL390 Digital Clamp Meter Auto-Ranging CAT III 600V 400A True RMS, shipping cost = $10.69 | 0.0% |
![]() | $57.25 | Condition is New, Klein Tools CL390 400A AC/DC Digital Clamp Meter CAT IV True RMS Auto-Ranging, shipping cost = $11.67 | 100.0% |
![]() | $54.99 | Condition is New, Klein Tools CL390 Auto-Ranging Digital Clamp Meter (CL390), shipping cost = $16.45 | 100.0% |
![]() | $54.99 | Condition is New, Klein Tools CL390 400A AC/DC Auto Ranging Digital Clamp Meter, shipping cost = $16.45 | 99.7% |
![]() | $60.00 | Condition is New, Klein Tools CL390 400 A AC/DC Auto-Ranging Digital Clamp Meter., shipping cost = $10.00 | 99.8% |
![]() | $59.90 | Condition is New, Klein Tools CL390 Auto-Ranging Digital Clamp Meter (CL390), shipping cost = $15.10 | 98.6% |
![]() | $65.00 | Condition is New, Klein Tools CL390 Auto-Ranging Digital Clamp Meter (CL390), shipping cost = $10.15 | 100.0% |
![]() | $63.00 | Condition is New, Klein Tools CL390 400A AC/DC Auto-Ranging Digital Clamp Meter Brand New, shipping cost = $16.45 | 100.0% |
![]() | $80.00 | Top Pick! Condition is New, Klein Tools CL390 Auto-Ranging True RMS Digital Clamp Meter CAT III 600V 400A, shipping cost = $10.69 | 100.0% |
![]() | $99.97 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, TRMS Auto-Ranging 400 Amp, FREE SHIPPING | 98.6% |
![]() | $99.97 | Condition is New, Klein Tools CL390 Digital Clamp Meter AC/DC Auto-Ranging 400A TRMS NCVT Tester, FREE SHIPPING | ![]() |
![]() | $99.97 | Condition is New, Klein Tools CL390 Digital Clamp Meter, Auto Ranging 400 AMP, FREE SHIPPING | ![]() |
![]() | $99.97 | Condition is New, Klein Tools CL390 400 Amp Cordless Auto-Ranging Digital Clamp Meter Kit New, FREE SHIPPING | 99.7% |
![]() | $99.97 | Condition is New, Klein Tools CL390 Digital Clamp Meter, Reverse Contrast Display, Auto Ranging, FREE SHIPPING | ![]() |
![]() | $99.99 | Top Pick! Condition is New, NEW Klein Tools CL390 400A AC/DC Auto-Ranging Digital Clamp Meter Free Shipping, FREE SHIPPING | ![]() |
![]() | $112.00 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT Tester,, FREE SHIPPING | 100.0% |
![]() | $105.16 | Condition is New, 1PC Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp, shipping cost = $9.49 | 99.8% |
![]() | $117.29 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp, FREE SHIPPING | ![]() |
![]() | $119.94 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT Tester,, FREE SHIPPING | 99.1% |
![]() | $125.00 | Condition is New, Klein Tools CL390 Auto-Ranging Digital Clamp Meter (CL390), FREE SHIPPING | 92.6% |
![]() | $127.90 | Condition is New, Klein Tools CL390 Digital Clamp Meter AC DC Current Voltage Testing Device, FREE SHIPPING | 99.2% |
![]() | $133.71 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT , FREE SHIPPING | 100.0% |
![]() | $141.78 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, Standard Display, Multi , FREE SHIPPING | 99.1% |
![]() | $142.45 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 ... USA FAST SHIP, FREE SHIPPING | 100.0% |
![]() | $146.33 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, Multi , FREE SHIPPING | 99.8% |
![]() | $148.73 | Condition is New, Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT Test..., FREE SHIPPING | ![]() |
![]() | $176.64 | Condition is New, Digital Clamp Meter Klein CL390 AC DC 400A, FREE SHIPPING | 98.0% |
![]() | $176.64 | Condition is New, AC DC Digital Clamp Meter 400A Klein CL390, FREE SHIPPING | 97.7% |
![]() | $176.64 | Condition is New, Klein CL390 AC DC Digital Clamp Meter 400A, FREE SHIPPING | 99.2% |
![]() | $176.64 | Condition is New, Digital Clamp Meter Klein CL390 AC DC 400A, FREE SHIPPING | 98.3% |
![]() | $176.64 | Top Pick! Condition is New, Digital Clamp Meter Klein CL390 AC DC 400A, FREE SHIPPING | 99.2% |
![]() | $176.64 | Top Pick! Condition is New, Klein Tools CL390 AC DC Digital Clamp Meter Auto Ranging, FREE SHIPPING | 100.0% |
![]() | $176.64 | Condition is New, AC DC Digital Clamp Meter 400A Klein CL390, FREE SHIPPING | 92.9% |
![]() | $176.64 | Condition is New, AC DC Digital Clamp Meter 400A Klein CL390, FREE SHIPPING | 97.8% |
![]() | $176.64 | Top Pick! Condition is New, Digital Clamp Meter Klein CL390 AC DC 400A, FREE SHIPPING | 98.9% |
![]() | $176.64 | Condition is New, Klein CL390 AC DC Digital Clamp Meter 400A, FREE SHIPPING | 97.4% |
![]() | $176.64 | Condition is New, Klein CL390 AC DC Digital Clamp Meter 400A, FREE SHIPPING | 99.0% |
![]() | $176.64 | Condition is New, AC DC Digital Clamp Meter 400A Klein CL390, FREE SHIPPING | 83.5% |
![]() | $176.64 | Condition is New, Klein Tools CL390 AC DC Digital Clamp Meter Auto Ranging, FREE SHIPPING | 97.8% |
![]() | $176.64 | Top Pick! Condition is New, Klein Tools CL390 AC DC Digital Clamp Meter Auto Ranging, FREE SHIPPING | 99.4% |
![]() | $176.64 | Top Pick! Condition is New, Klein CL390 AC DC Digital Clamp Meter 400A, FREE SHIPPING | 99.4% |
![]() | $176.64 | Condition is New, Klein Tools CL390 AC DC Digital Clamp Meter Auto Ranging, FREE SHIPPING | 94.4% |
![]() | $176.64 | Condition is New, AC DC Digital Clamp Meter 400A Klein CL390, FREE SHIPPING | 98.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $22.99 | Condition is Used, Hard Case for Klein Tools CL390/CL120/CL490/CL320/CL220/CL110/CL310/CL330/CL3..., FREE SHIPPING | 99.8% |
![]() | $49.99 | Condition is Used, Klein Tools CL390 400A AC/DC Auto-Ranging Digital Clamp, FREE SHIPPING | 99.4% |
![]() | $53.86 | Condition is Used, Klein Tools CL-390 AC/DC Digital Clamp Meter ONLY DEVICE, shipping cost = $5.00 | 98.8% |
![]() | $49.00 | Condition is Used, Klein Tools CL390 400 A AC/DC Auto-Ranging Digital Clamp Meter W/ Case, shipping cost = $10.15 | 98.8% |
![]() | $60.00 | Condition is Used, Klein Tools CL390 Digital Clamp Meter AC/DC, shipping cost = $8.75 | 99.2% |
![]() | $59.99 | Condition is Used, Klein Tools CL390 AC/DC Digital Clamp Meter (PD1118422), shipping cost = $10.00 | 99.2% |
![]() | $59.99 | Top Pick! Condition is Used, Klein Tools CL390 AC/DC Digital Clamp Meter True RMS, 400A, Auto-Ranging, shipping cost = $10.15 | 100.0% |
![]() | $59.95 | Condition is Used, KLEIN CL390 400 AMP TRUE RMS CLAMP METER (al-ls) (PDS040612), shipping cost = $14.00 | 99.3% |
![]() | $59.99 | Condition is Used, (RI4) Klein Tools CL390 400A AC/DC Auto-Ranging Digital Clamp Meter (CL390), shipping cost = $14.75 | 99.7% |
![]() | $69.99 | Condition is Used, Klein Tools CL390, AC/DC Digital Clamp Meter, shipping cost = $5.99 | 100.0% |
![]() | $69.99 | Condition is Used, KLEIN TOOLS CL390 (B06009099), shipping cost = $10.00 | 98.8% |
![]() | $74.99 | Condition is Used, KLEIN TOOLS MULTIMETER WITH CASE AND MANUAL (P03063947), shipping cost = $9.99 | 99.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $59.99 | Condition is New – Open box, Klein Tools CL390 Auto-Ranging Digital Clamp Meter SEALED, shipping cost = $11.67 | 99.5% |
![]() | $100.00 | Condition is New – Open box, Klein Tools CL390 400A AC/DC True RMS Digital Clamp Meter CAT III 600V, shipping cost = $7.26 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $114.40 | Condition is Brand New, Klein Tools AC/DC Digital Clamp Meter 400 amp Auto Ranging, shipping cost = $24.67 | 99.9% |

The Klein Tools CL-390 Digital Clamp Meter is a versatile and powerful diagnostic tool designed for electrical professionals and DIY enthusiasts. This auto-ranging clamp meter is capable of measuring AC and DC currents, volts, and resistance, making it an essential tool for various electrical applications.
The CL-390 boasts a digital display screen that offers clear and accurate readings. The backlit screen ensures ease of use in low-light environments, while the auto-ranging feature simplifies the measurement process by automatically selecting the appropriate range for the given electrical parameter. The meter can measure currents up to 400 amps, making it suitable for heavy-duty electrical systems.
This clamp meter features a robust design, with a durable housing that can withstand the rigors of field use. The jaws of the clamp are designed to provide a strong grip on conductors up to 3/8 inches in diameter, and the integrated current probe allows for measuring currents in cables up to 3 inches in diameter. The meter also includes a low battery indicator, ensuring that you are always aware of when it's time to replace the batteries.
The CL-390 is also equipped with several safety features, including a fuse that protects against overload conditions, and a CAT IV 600V rating for use in electrical installations up to 600 volts. The meter also includes a non-contact voltage detection function, which allows you to quickly and safely identify live voltage wires without the need for physical contact.
In summary, the Klein Tools CL-390 Digital Clamp Meter is a high-performance and reliable tool for electrical professionals and DIY enthusiasts. Its auto-ranging feature, ability to measure various electrical parameters, robust design, and safety features make it an indispensable addition to any electrical toolbox.
Pros and Cons of buying a Klein Tools CL-390 Digital Clamp Meter
The Klein Tools CL-390 Digital Clamp Meter is a popular choice for electricians and DIY enthusiasts due to its advanced features and versatility. Let's explore the key advantages and disadvantages of this clamp meter to help you make an informed purchasing decision.
Pros:1. Auto-ranging: The CL-390 is an auto-ranging clamp meter, which means it can automatically detect the type of circuit being measured and set the appropriate range. This feature saves time and reduces the risk of incorrect readings.
2. AC/DC measurement: The meter can measure both AC and DC currents, making it a versatile tool for various electrical applications.
3. High current capacity: With a 400A rating, this clamp meter can handle heavy current loads, making it suitable for industrial and commercial electrical work.
4. Data Hold and Min-Max functions: These features allow users to lock in and record the highest or lowest readings for later reference.
5. Backlit display: The high-resolution backlit display ensures easy reading even in low-light conditions.
Cons:1. Price: The Klein Tools CL-390 is a premium clamp meter, and its price point may be higher than some other models on the market.
2. Size and weight: The meter is relatively large and heavy compared to some other clamp meters, which could be a disadvantage for those who need to carry their tools frequently.
3. Limited functions for advanced users: While the CL-390 offers a wide range of features for most users, advanced electricians might prefer a more advanced multimeter with additional functions.
4. Batteries not included: The meter requires 2 AA batteries, which are not included in the package.
Ending Conclusion:The Klein Tools CL-390 Digital Clamp Meter is an excellent choice for electricians and DIY enthusiasts who require a versatile and reliable clamp meter with a high current capacity. Its auto-ranging feature, data hold and min-max functions, and backlit display make it a convenient and practical tool for various electrical applications. However, its higher price point and larger size may be a disadvantage for some users. Ultimately, if you need a heavy-duty clamp meter for industrial or commercial electrical work and can afford the investment, the Klein Tools CL-390 is a solid choice.
Details:
Built to withstand a 6.6-foot 2 m drop. Auto-power off after 10 minutes to conserve battery life. Clamp meter measures current, voltage , resistance and continuity. Measures temperature with a k-type Thermopylae probe.
Includes a carrying case, test leads with cat iii/cat iv safety caps, Thermopylae, instructions, and 3 x AAA batteries. Digital meter has auto-ranging trams technology for accuracy. Includes a carrying case, test leads, Thermopylae, and batteries. Low battery indicator and easily accessible compartment.
Max/min, rel/zero and data hold capability. It features a high visibility, reverse contrast LCD display that optimizes view ability both in dark or bright ambient lighting. Meets requirements for use in basic and controlled electromagnetic environments like residential, office light-industrial locations. Klein tools cl390 is an automatically ranging true root mean squared trams digital clamp meter that measures ac/dc current and govt via the clamp, voltage , dc micro amps, resistance, continuity, frequency, capacitance, diodes test leads, temperature a Thermopylae probe.
specifications testmultimeters:
- brand: Klein Tools
- mpn: Cl-390
- part type: Tool Clamp Meter Amp
- features: Auto-ranging
- display: Digital
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
shipping testmultimeters:
- carrier: usps
- type: calculated
- transit: 4-10 days
- service: usps ground advantage
- class: standard
payments testmultimeters:
- credit card: diners-club
- wallet: apple-pay
- other
returns testmultimeters:
- policy: no returns
offer testmultimeters:
- started: june 21, 2025
- prices: $22.99–$176.64
- item condition:
- New
- Used
- New – Open box
- Brand New
- in stock #: 5
- sold #: 16
- availability: in stock
- options: ship-to-home
seller testmultimeters:
- # reviews: 2055
- city: atlanta, georgia
- rating: 100.0%
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