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Red and black handheld digital multimeter with large display and rubber guards

Innova 3320 Auto-Ranging Digital Multimeter

SKU CH-ZKRS-5ZBD3

Auto-ranging digital multimeter with 10 MegOhm input impedance, UL certification, colour-coded battery-check LEDs and rubber guards for automotive and household electrical troubleshooting

  • Team affiliation1 Piece
  • Key featuresAuto-Ranging DMM(10MegOhm)/UL, UL, Battery Powered, true
  • Overall height2 L x 10 W x 5 H inches
  • Overall width2 L x 10 W x 5 H inches
  • Overall length2 L x 10 W x 5 H inches
  • Product weight0.5 lb (0.23 kg)
  • Auto-ranging selects the correct scale automatically
  • UL certified for safe automotive and household troubleshooting
  • Colour-coded LEDs show battery charge status at a glance
  • 10 MegOhm input impedance protects vehicle ECUs
  • Rubber guards protect against accidental drops

Innova 3320 Auto-Ranging Multimeter

The Innova 3320 is an auto-ranging digital multimeter built for automotive and household electrical troubleshooting. It automatically selects the correct measurement range without manual dial adjustments. The meter includes a large digital display with colour-coded LEDs for quick battery condition checks. Its 10 MegOhm input impedance protects sensitive vehicle ECUs during testing.

Check test leads and battery before use

Verify that the supplied test leads are intact and rated for the voltages you intend to measure. Ensure the internal battery is installed and functional to power the auto-ranging circuitry and display. Confirm the rubber guards are fitted if drop protection is needed in your workspace. The single-setting resistance function covers both AC and DC voltage measurements.

Low heat and silent operation in normal use

The handheld design produces negligible heat during typical troubleshooting sessions. No cooling fan is present so operation is completely silent. Current draw is limited to the internal battery supply for the display and measurement circuits. UL certification confirms the safety construction for electrical and automotive environments.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $46.99
Pricier than about 71% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameInnova, INNOVA
Product typeMultimeters, Tach & Dwell Meters
Size & build
Overall height2 L x 10 W x 5 H inches
Overall width2 L x 10 W x 5 H inches
Overall length2 L x 10 W x 5 H inches
Product weight0.5 lb (0.23 kg)
More details
Team affiliation1 Piece

Questions about this item

What comes in the box with the Innova 3320 and do I need to buy test leads separately?

The Innova 3320 includes the multimeter unit with protective rubber guards, installed batteries, and attached test leads for immediate use. No separate purchases are required for basic voltage, resistance, and continuity measurements.

Should I choose the 3300, 3320, or 3340 model for general automotive and household troubleshooting?

The 3320 adds auto-ranging and battery quick-check LEDs over the 3300, while the 3340 adds RPM reading, temperature probe, and alternator testing. Choose 3320 for simplified voltage and resistance work without manual range selection.

What does the 10 MegOhm input impedance mean when I am testing a vehicle ECU circuit?

The 10 MegOhm input impedance draws very little current from the circuit, preventing damage to sensitive automotive ECUs while still providing accurate voltage readings on live vehicle wiring.

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