General description The Spark Plug Tester is designed to evaluate the performance and ignition strength of spark plugs by simulating engine conditions. It is suitable for testing 12 mm diameter spark plugs in various 12V gasoline vehicles, including motorcycles, lawn mowers, scooters, snow blowers, and boats. This device allows for dual testing of spark plugs, making it efficient and user-friendly. Technical specifications Operating frequency range: 0-6000 rpm Voltage: AC 100-240V Plug Type: US Plug (compatible with Canada, India, Mexico, Thailand, the Philippines, etc.) Material: Metal + ABS Measurement allowed error: +/- 1-3 cm Installation Insert the spark plug into the socket. Place the safety cover over the spark plug. Connect the power supply. Adjust the working frequency using the control knob. For safety, unplug the spark plug after testing. Usage This tester allows for simultaneous testing of two spark plugs. By comparing the performance of a new spark plug with the one being