AUTOOL SPT101 Car Spark Plug & Ignition Tools Automotive Diagnostic Scanner Vehicle Detector Ignition Spark Plug Tester Analyzer 220V For 12V Vehicles

• Unit Size: 145*110*85 mm (5.7*4.4*3.4 inch);
• Unit Weight: 354 g ( 0.8 lb ) ( Not including Power Adapter);
• Power Adapter : input 100-240V AC ; output 12V 1A DC;
• In automobile ignition system, the high-voltage ignition coil generates a high-voltage, 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.
• Package Include: Spark Plug Tester : x1; Power Adapter : x1; User Manual : x1;

Description Caution Up to 1000V voltage will be generated during test, Please close the protective cover before testing！ Instruction Place the Spark Plug into tester socket 1 or 2. Close up the protective cover , then plug in the adaptor to the side socket , connect the tester to power supply. Turn the switch 6 clockwise to power on tester, indicator 5 will light up green. Continue to turn the switch 6 clockwise, you can adjust the working frequency between 1000rpm to 6000rpm/min, The higher the frequency is set, the stronger the spark strength is.