DUOYI Spark Plug Tester for All 12V Gasoline Cars

The Upgraded Automotive Spark Plug Tester - Comprehensive Testing for All Series This spark plug tester is designed to thoroughly evaluate the performance and ignition strength of a wide range of automotive spark plugs. Compared to other options on the market, this upgraded model can test all 12V drive gasoline car spark plugs, including universal plugs as well as those specifically designed for luxury German vehicles like BMW, Mercedes-Benz, Audi, and Porsche.

Dual-Hole Comparison for Precise Diagnostics The tester features two test holes, allowing you to insert both new and old spark plugs side-by-side. By comparing the spark strength between the two, you can accurately assess the performance of the older plug and determine if it needs to be replaced. This dual-hole design provides a more comprehensive and reliable testing experience.

Adjustable Test Frequency for Versatility The spark tester also offers the flexibility to adjust the working frequency, which can be set between 0-6000 rpm per minute. By increasing the frequency, you can generate stronger sparks, enabling a thorough evaluation of the plug's ignition capabilities across a range of engine speeds.

Accommodating Different Spark Plug Designs The test holes in this device are compatible with spark plugs featuring nut diameters of both 14mm and 16mm. Moreover, the height of the test holes can be adjusted by rotating a knob-type copper ring, allowing the tester to accurately accommodate cup-shaped spark plugs commonly used in luxury German vehicles.

Safety-Focused Design For the user's protection, this spark plug tester is equipped with a safety cover that shields against accidental contact during the testing process. This feature effectively eliminates the risk of electric shock, ensuring a secure and worry-free operation.

Durable Construction and Ease of Use Crafted from high-quality ABS engineering plastic, the spark plug tester is designed to withstand impacts, heat, and low temperatures, providing long-lasting durability and reliability. The plug-and-play nature of the device also makes it simple to operate, even for novice users, as there is no complicated setup required beyond connecting the power adapter.

Comprehensive Warranty and Included Accessories This spark plug tester comes with a 3-year warranty, giving you peace of mind and confidence in the product's quality. The package includes the tester itself, a power adapter, and a user manual, providing you with everything you need to get started.

In summary, the Upgraded Automotive Spark Plug Tester offers a comprehensive and versatile solution for testing the performance of a wide range of spark plugs, with features that ensure precise diagnostics, user safety, and long-lasting durability. Whether you're a professional mechanic or a DIY enthusiast, this tool can be a valuable addition to your automotive maintenance arsenal.

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