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Innova 5420

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5420 PowerCheck Circuit Tester
5420 PowerCheck Circuit Tester
5420 PowerCheck Circuit Tester
5420 PowerCheck Circuit Tester
5420 PowerCheck Circuit Tester
5420 PowerCheck Circuit Tester
5420 PowerCheck Circuit Tester
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5-Star Review
$129.99   $149.99

  • Free Shipping
  • Hassle-Free Returns
  • 1-Year Warranty

Supply Power for Accurate Testing
Apply 3V, 5V, 12V, or 24V directly to circuits or components to simulate real-world conditions and isolate faulty parts.

Versatile Electrical Testing
Run fuse tests, circuit tests, component activation, battery checks, ground verification, and relay diagnostics—all in one tool.

Built-in 10 MegOhm Circuit Breaker
Protects your circuits and the tool itself from overload, ensuring safe operation while maintaining high sensitivity.

20-Foot Heavy-Duty Cable
Extended reach for easy testing across larger vehicles or workspaces without relocating the unit.

Diagnose by Activation
Actively power components to see if they respond as expected—quickly pinpoint what's working and what needs replacement.

Large 1.25” Backlit LCD Screen
Bright and readable in any lighting condition. View real-time feedback on tests and component behavior clearly and instantly.

10 MegOhm Input Impedance
Prevents damage to sensitive automotive systems, including ECU protection.

Power & Ground with Circuit Breaker Protection
Deliver power or ground directly to the component while staying protected by the integrated breaker system.

Positive / Negative LED Indicators
Quickly identify power polarity to avoid mistakes and simplify troubleshooting.

AUTOMOTIVE USES INCLUDE
Diagnosing car fuses, relays, grounds, power circuits, batteries, and electrical components with confidence.

HOUSEHOLD USES INCLUDE
Checking general circuits, small appliances, DIY electronics, and more with pro-grade precision.

What kind of voltage can the Innova 5420 supply?
The 5420 can safely supply 3V, 5V, and 12/24V directly to circuits and components, giving you the flexibility to test a wide range of electrical systems accurately.

Is it safe to use on sensitive vehicle electronics?
Yes. The Innova 5420 features spark-proof protection, a 10MΩ input impedance, and a built-in circuit breaker, making it safe for use on modern vehicles with sensitive electronics.

Can I use it to activate components like fans or lights?
Absolutely. You can power up relays, lights, fans, and other components to see if they’re functioning properly, helping you isolate faults quickly.

How far can I reach with the tester?
The tester includes a 20-foot heavy-duty cable, allowing you to work from bumper to bumper without moving your power source.

What tests can I perform with the Innova 5420?
You can perform a wide variety of tests including fuse tests, circuit tests, relay checks, battery voltage checks, ground integrity tests, and component activation—all with one tool.

P65 WarningWARNING

This product can expose you to chemicals including DinP, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

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