Klein Tools MM320KIT Digital Multimeter Electrical Test Kit, Non-Contact Voltage Tester, Receptacle Tester, Carrying Case and Batteries

Name: Klein Tools MM320KIT Digital Multimeter Electrical Test Kit, Non-Contact Voltage Tester, Receptacle Tester, Carrying Case and Batteries
Brand: Unbranded
SKU: B08W1THSM8
Price: 54.99 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 →

$54.99

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*Price sourced from Amazon.com. Last updated 2026-08-28. Price and availability subject to change.

Bottom line: The Klein Tools MM320KIT Digital Multimeter Electrical Test Kit, Non-Contact Voltage Tester, Receptacle Tester, Carrying Case and Batteries is a niche pick — read recent reviews before buying in the tools & maintenance category, priced around $54.99. Compare close alternatives before committing.

The MM320KIT Digital Multimeter Electrical Test Kit from Klein Tools is designed with reliability and safety in mind. This comprehensive kit comes with MM320 Digital Multimeter, NCVT-3P Non-Contact Voltage Tester with Flashlight, ET45 Voltage Tester, RT210 GFCI Receptacle Tester, a padded storage pouch and all required batteries. All offered in one kit for value and convenience. 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 job done right. Our family of engineers…

SpecPicks Verdict

SpecPicks scored Klein Tools MM320KIT Digital Multimeter Electrical Test Kit… 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 MEASUREMENTS: Digital Multimeter accurately measures up to 600V AC/DC voltage, 10A DC current, and 2 ohm resistance, offering precise readings for various electrical tasks
EXTENSIVE FUNCTIONALITY: In addition to voltage, current, and resistance, the meter tests batteries, diodes, and continuity, providing comprehensive testing capabilities in one device
DUAL-RANGE VOLTAGE DETECTION: Voltage Tester NCVT3P detects from 12 to 1000V AC or 70 to 1000V AC, accommodating a wide range of low-voltage and standard voltage applications
BUILT-IN FLASHLIGHT: The NCVT3P features a bright flashlight that illuminates the work area, offering convenient visibility and independent use from the voltage detection function
ACCURATE AND WIDE-RANGE TESTING: ET45 tests AC voltages from 28V to 240V AC and DC voltages from 32V to 330V, covering commonly used residential voltages for reliable testing
CONVENIENT TEST LEAD HOLDER: The ET45 comes with a built-in test lead holder on the back, providing two positions for correctly spacing the leads for testing tamper-resistant outlets or convenient storage

Full Specifications

Brand	KLEIN TOOLS
Color	Multi
Model	MM320KIT
Style	Multimeter and Receptacle Tester Kit
Style Name	Multimeter and Receptacle Tester Kit
Unit Count	1 Count
Part Number	MM320KIT
Power Source	Battery Powered
Item Type Name	Multimeters
Item Dimensions	12.4 x 7.91 x 2.24 inches
Number of Items	1
Measurement Type	Multimeter
Specification Met	CE, ETL, NIST, RoHS, UL
Included Components	MM320 Manual Ranging Digital Multimeter, ET45 AC/DC Voltage Tester
Warranty Description	Please refer to attached warranty document for information
DUAL-RANGE VOLTAGE DETECTION	Voltage Tester NCVT3P detects from 12 to 1000V AC or 70 to 1000V AC, accommodating a wide range of low-voltage and standard voltage applications
ACCURATE AND WIDE-RANGE TESTING	ET45 tests AC voltages from 28V to 240V AC and DC voltages from 32V to 330V, covering commonly used residential voltages for reliable testing
Global Trade Identification Number	00092644693403

Ready to buy?

Klein Tools MM320KIT Digital Multimeter Electrical Test Kit, Non-Contact Voltage Tester, Receptacle Tester, Carrying Case and Batteries 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.

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*Price sourced from Amazon.com. Last updated 2026-08-28. Price and availability subject to change.