Innova
3320 Auto-Ranging Digital Multimeter, Red & Black
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
The INNOVA 3320 is an Auto-Ranging Multimeter designed to accurately troubleshoot a variety of automotive and household electrical problems. The auto-ranging scales eliminate the need to dial in the correct range when making electronic measurements. The 10 MegOhm input is safe for automotive and household uses (i. e., household outlets, fuses, wiring, general-purpose batteries, vehicle battery and charging system, automotive circuits and more). The color-coded LEDs allow you to quickly check household batteries (green = good, yellow = weak and red = replace). Includes attachable test leads…
SpecPicks Verdict
SpecPicks classifies INNOVA 3320 Auto-Ranging Digital Multimeter, Red & Black as a solid pick with broad community endorsement in the tools & maintenance category, based on 7,549 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Innova's positioning sits comfortably above the category median. 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 — 4.5★ average across customer reviews
- ✓ Large, well-vetted feedback pool (7,549 reviews)
- ✓ Single-setting resistance function for AC and DC voltage
- ✓ Backed by Innova's warranty and support channels
- ✓ 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
- UL certified product designed to safely and accurately troubleshoot a variety of automotive and household electrical problems
- Auto-ranging scales automatically selects correct measurement range and eliminate the need to dial in the correct range when making electronic measurements
- Features large digital display and color coded LED's to easily check the charge status of batteries
- Single-setting resistance function for AC and DC voltage
- 10 MegOhm input impedance; safe for electrical and automotive use; prevents damage to the vehicle’s ECU
Full Specifications
| Brand | Innova |
|---|---|
| Color | Red & Black |
| Model | 3320 |
| Style | 3320 |
| Style Name | 3320 |
| Unit Count | 1.0 Count |
| Part Number | 3320 |
| Power Source | Battery Powered |
| Item Type Name | Multimeters & Analyzers |
| Item Dimensions | 2 x 10 x 5 inches |
| Measurement Type | Multimeter |
| Specification Met | UL |
| Compatible Devices | Automotive electrical components, household electrical components, batteries, solar panels, fuses, wiring, and other electrical circuits |
| Included Components | Auto-Ranging DMM(10MegOhm)/UL |
Ready to buy?
INNOVA 3320 Auto-Ranging Digital Multimeter, Red & Black 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.
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