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Adjustable Double-Hole Spark Plug Tester for 12V Gasoline Vehicles to Test Performance and Ignition Strength

<ul><li>Dual Testing Holes for Simultaneous Comparison: This spark plug tester allows you to test two spark plugs at once, making it easy to compare the performance of old and new spark plugs. It helps ensure accurate judgment when diagnosing ignition issues in your vehicle.</li><li>Safe and Reliable Operation: Designed with safety in mind, this tester includes clear usage guidelines. Always turn off the power before inserting spark plugs, and avoid touching the spark plugs while the device is operational to prevent high-voltage risks.</li><li>Wide Voltage Compatibility (100V-240V): Suitable for global use, this spark plug tester works with input voltages ranging from 100V to 240V, ensuring compatibility with various power sources. Perfect for testing 12V gasoline vehicles' spark plugs.</li><li>Precise Spark Strength Analysis: By analyzing the strength of the spark generated by the high-voltage ignition system (up to 10,000 volts), this tool can distinguish between functional and faulty spark plugs, helping you identify issues quickly and accurately.</li><li>Adjustable RPM Settings (1000-6000rpm): Easily adjust the working frequency of the tester from 1000rpm to 6000rpm using the key . Higher frequencies simulate stronger engine conditions, providing a more realistic assessment of spark plug performance under load.</li></ul>

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Spark Plug Tester have two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment. adjustable double hole car spark plug tester Ignition Plug Analyzer Diagnostic ToolUsage: Test spark plug performance and ignition strengthApplication Range: 12V Gasoline vehicles car spark plugs Widely Application: 100V-240V input voltage . Spark Plug Test principle: In automobile ignition system, the high-voltage ignition coil generates a high-voltage (10000 volts or more), and the spark plug diverts it form high -tension ignition coil into the cylinder engine, spark between the spark plug electrodes will ignite the mixture. The JF109 could tell the good spark plugs from the bad by the strength of the spark. Spark Plug Tester Using Note: 1. Please Turn Off Power before you place spark plug 2. The Spark Plug Tester is a high-voltage , so do not touch spark plug with hand at work to avoid danger. Spark Plug Tester User Manual: 1.Place the Spark Plug into tester hole 1 or 2; If you want to compare the new spark plug and old one, place new spark plug into hole 1 and the old on into hole 2 2.Connect to power supply 3.Turn the key 4 clockwise to turn on tester, indicator 3 will light up, tester is now working at 1000rpm/min. 4. Again turn the key 4 clockwise,you can adjust the working frequency between 1000rpm to 6000rpm/min.The higher the frequency, the stronger the spark strength. Packing List 1 x Spark Plug Tester Main Unit 1 x Power supply connector 1 x Gasket 1 x User manual

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Adjustable Double-Hole Spark Plug Tester for 12V Gasoline Vehicles to Test Performance and Ignition Strength

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