Car Spark Plug Tester Ignition Testers Automotive Diagnostic Tool Double Hole Analyzer for 12V Car Vehicles Track

Car Spark Plug Tester Using Note: 1. Turn Off Power 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. Car Spark Plug Tester Manual: 1.Place the Spark Plug into tester hole 1 or 2; If you 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 switch 4 clockwise to turn on tester indicator 3 will tester is now working at 1000rpm/min. 4. Again turn the key switch 4 clockwise you can adjust the working frequency between 1000rpm to 5000rpm/min. The higher the frequency the stronger the spark strength. Main Unit Weight:220G( Not including Power Adapter) Power Adapter: Input 100-240V AC / Output 12V 1A DC Colour: black gray Material: plastic Package Contents: 1 * Car Spark Plug Tester 1 * US Plug Adapter 1 * EU Plug Adapter Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.