【Digital Screen Display for More Precise Control】This spark plug tester is used to test the performance and strength of spark plugs. The up and down buttons can adjust the working frequency. The high-definition display screen is convenient for viewing the speed in real-time, and the test results are more accurate.
【Simultaneous Comparison of Five Holes】Compared with the common 2 holes spark plug tester on the market, this ignition spark tester supports simultaneous testing of 5 holes, and each test hole has a corresponding indicator light to indicate the status of the spark plug, which greatly improves work efficiency.
【Simulate the Real rpm with High Accuracy】The analog speed of the automotive spark plug tester is 0-9999 rpm, and the operating frequency is up to 9000 rpm. The higher the frequency, the strong intensity of the spark plug. The spark plug tester tool is compatible with all crankshaft engine and motorcycle spark plug testing on the market.
【Simple Operation, Plug and Play】Insert the new spark plug into the hole and the old spark plug into the other hole. Plug the power adapter into the power port, the indicator light will go on. Turn on the power switch of the car spark plug tester and adjust the working frequency to judge the status of the spark plug quickly.
【Important Note】The spark plug tester tool is compatible with all crankshaft engine and motorcycle spark plug testing on the market. Suitable for testing spark plugs of automobile engines, not for testing the short plugs of lawn mowers, chainsaws or most small engines.