Spark Plug Tester 2 Hole, Ignition Coil Tester 0-6000rpm Adjustable Frequency, Ignition Plug Analyzer Detector, Car Spark Tester Tool with Protective Cover for 12V Gasoline Vehicles

Spark Plug Tester 2 Hole, Ignition Coil Tester 0-6000rpm Adjustable Frequency, Ignition Plug Analyzer Detector, Car Spark Tester Tool with Protective Cover for 12V Gasoline Vehicles

• Dual Hole Testing, This spark plug tester has two spark plug sockets, you could test two spark plugs at the same time. Car Spark Plug Tester is able to dual-hole simultaneous testing as well as analog engine working, which is much more efficient and time-saving.
• 0 to 6000rpm Operating Frequency, This engine ignition coil tester has testing frequency 0-6000 rpm, which can truly simulate the working conditions of the engine.
• Widely Application, This automotive ignition tester is widly compatible with 12V gasoline vehicles, including crankshaft engines and motorcycles.
• Plug and Play, spark plugs into the test holes of the spark plug tester, then rotate the frequency knob to observe the performance of the spark plugs at each frequency. Without professional car maintenance skills and expericences, you can test the spark plugs by youself in the home.
• NOTE: In dark environments, you can see sparks more clearly. We do not recommend using this spark plug tester tool in a bright environment.
• NOTE: This spark plug tester tool can test all spark plugs with a diameter not exceeding 13mm. If the spark plug diameter is 13mm, it will fit the tester's aperture. If it is less than 13mm, there will be a gap between the tester and the aperture, but it will not affect the test. If two limit washers are added, it will be more stable.