Dual Hole Spark Plug Tester – 110V/220V Input to 12V Test Output

This dual-hole spark plug tester is a fast and reliable diagnostic tool for automotive repair shops and home use. Its two test channels allow you to test two spark plugs simultaneously, while the device provides a 12V test output from a 110V/220V input.

• Dual test channel : Simultaneous testing of two spark plugs or ignition wires for quick fault identification.
• Wide input voltage : Compatible with 110V or 220V mains input for varying lighting conditions.
• 12V Test Output : A synthesized 12V output is available for proper simulation of the ignition system.
• Easy-to-use design : Plug-and-play connectivity and a rugged, durable design for everyday use.
• Safe operation : Isolated outputs and thoughtful design for reliable, safe testing.
• Wide range of applications : Ideal for service stations, educational environments and hobby-level diagnostics.

The device allows for quick and accurate diagnosis of the ignition system: through parallel testing, it is easy to see if the spark plug, wire or connection is the cause of the problem. It is a useful tool in situations where we would like to save time on diagnosis and understand how maintenance or replacement affects engine performance. It is a perfect choice for service and educational purposes, but also a good companion for home car diagnostics. Its compact size and easy handling increase everyday efficiency while providing accurate measurements of the condition of the ignition system.