What are the alternatives to the Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT…?

Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT… competes with other Tools & Maintenance products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Tools & Maintenance category for alternatives.

Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT Tester, Hi-Viz LCD Display, TRMS, Continuity Resistance, Temperature and More

Name: Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT Tester, Hi-Viz LCD Display, TRMS, Continuity Resistance, Temperature and More
Brand: Unbranded
SKU: B08DTDCG7T
Price: 99.97 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$99.97

As an Amazon Associate, SpecPicks earns from qualifying purchases.

🛒 See live eBay price Also on Amazon → Compare to similar tools & maintenance

*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT Tester, Hi-Viz LCD Display, TRMS, Continuity Resistance, Temperature and More is a niche pick — read recent reviews before buying in the tools & maintenance category, priced around $99.97. Compare close alternatives before committing.

Klein Tools CL390 is an automatically ranging true root mean squared (TRMS) digital clamp meter. It measures AC/DC current and NCVT via the clamp, AC/DC voltage, DC microamps, resistance, continuity, frequency, capacitance, and diodes via test leads, and temperature via a thermocouple probe. It features a high visibility, reverse contrast LCD display that optimizes view ability both in dark or bright ambient lighting. 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…

SpecPicks Verdict

SpecPicks scored Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the tools & maintenance category. Compare with similarly-priced alternatives in the tools & maintenance category before committing. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for tools & maintenance: PC towers accumulate significant dust in 3–6 months, so cleaning frequency drives cordless vs. canned-air tradeoff decisions. Match the device's RPM or CFM rating to your case size, and confirm battery runtime covers a full tower cleaning before ordering. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Check battery runtime and RPM/CFM specs match your case size and cleaning frequency
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

VERSATILE CLAMP METER: Measures AC/DC current and NCVT via clamp; AC/DC voltage, resistance, continuity, frequency/duty cycle, DC microamps, diode test and capacitance via test-leads; temperature via thermocouple
NON-CONTACT VOLTAGE TESTING: Integrated into the clamp jaw for convenient electrical testing
REVERSE-CONTRAST DISPLAY: High-visibility reverse-contrast LCD ensures improved viewability in all lighting conditions
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

Full Specifications

Brand	KLEIN TOOLS
Color	Multi
Model	CL390
Style	Standard Display
Style Name	Standard Display
Unit Count	1 Count
Part Number	CL390
Power Source	Battery Powered
Item Type Name	AC/DC Digi Clamp Meter Auto-Ranging 400 Amp
Item Dimensions	8.45 x 3.51 x 1.51 inches
Specification Met	Cat III 600v, Cat IV 600v
Compatible Devices	Devices with test lead inputs
CONVENIENT FEATURES	Test lead holder on the side of the clamp and optional magnetic hanger (Cat. Nos. 69445 or 69417) for hands-free operation
Included Components	AC/DC Digital Clamp Meter
ACCURATE MEASUREMENTS	Auto-ranging and True Root Mean Squared (TRMS) technology provides precise and accurate measurements
REVERSE-CONTRAST DISPLAY	High-visibility reverse-contrast LCD ensures improved viewability in all lighting conditions
NON-CONTACT VOLTAGE TESTING	Integrated into the clamp jaw for convenient electrical testing
Global Trade Identification Number	00092644692871

Ready to buy?

Klein Tools CL390 AC/DC Digital Clamp Meter, Auto-Ranging, 400 Amp, NCVT Tester, Hi-Viz LCD Display, TRMS, Continuity Resistance, Temperature and More is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings →

*Price sourced from Amazon.com. Price and availability subject to change.