MR CARTOOL Automotive Adjustable Frequency Review

APPLICATION: To test the performance and ignition intensity of spark plugs, and suitable for 12V gasoline vehicles spark plugs. DOUBLE-HOLE SPARK PLUG JACK- Automobile spark plug tester has two test holes. You can test two spark plugs at the same time. If you suspect that any spark plug is not working properly, you can perform a comparative test to make an accurate judgment. 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 Detector could tell the good spark plugs from the bad by the strength of the spark. POWER ADAPTER: Input 100-240V AC / Output 12V 1A DC. ATTENTION: 1. Please Turn Off Power before you place spark plug; 2. The Spark Plug Tester is a high-voltage detector, so do not touch spark plug with hand at work to avoid danger.