Klein Tools MM320KIT Digital Multimeter Electrical Test Kit, Non-Contact Voltage Tester, Receptacle Tester, Carrying Case and Batteries
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
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 classifies Klein Tools MM320KIT Digital Multimeter Electrical Test Kit… as a category leader on buyer feedback in the tools & maintenance category, based on 2,416 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for tools & maintenance of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.8★ average across customer reviews
- ✓ Large, well-vetted feedback pool (2,416 reviews)
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ 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 | 1.0 Count |
| Part Number | MM320KIT |
| Power Source | Battery Powered |
| Item Type Name | Multimeters |
| Item Dimensions | 12.4 x 7.91 x 2.24 inches |
| 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 |
Ready to buy?
Klein Tools MM320KIT Digital Multimeter Electrical Test Kit, Non-Contact Voltage Tester, Receptacle Tester, Carrying Case and Batteries is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Related Tools & Maintenance
