AUTOOL SPT360 Spark Plug Tester Candle Tester Automotive Spark Plug Diagnostic Tool 5 Hole Spark Plug Ignition Detector Analyzer Description AUTOOL SPT360 Car Spark Plug Tester is a digital high-frequency tester for testing the performance and strength of spark plugs. The frequency can reach up to 9000 rpm and is compatible with spark plug testing of all crankshaft engines and motorcycles on the market. This product can also compare five holes at the same time, simulate the real speed, and display digital control, which improves the test accuracy and the work efficiency of maintenance personnel. Steps Step1: Insert the normal spark plug into hole1, and insert the to be tested spark plugs into the hole 2/3/4/5. Step2: Connect to power supply. Step3: Turn on the power switch and adjust the working frequency. Step4: Compare and observe the working status of the spark plug 9000rpm High Frequency The working frequency of AUTOOL SPT360 Car Spark Plug Tester can reach up to 200~9000 rpm. The higher the frequency, the higher the intensity of the spark plug; Digital Display Screen The AUTOOL SPT360 Car Spark Plug Tester is designed with a digital display screen, aiming for precise value control and comparison. Multi-holes Simultaneous Comparison In order to improve the working efficiency and make an accurate analysis, you can simultaneously test and compare one normal spark plug with the other four spark plugs. Widely ApplicableHigh Testing Accuracy The AUTOOL SPT360 is compatible with spark plug testing of all crankshaft engines and motorcycles on the market, which can simulate actual speed and test the performance of the spark plugs at different RPMs as well. Three Years Warranty, Lifetime Maintenance For damage caused by non-human factors, AUTOOL promises to resend parts for free within 3 years. For any needs, you are warmly welcomed to contact us and we will get back to you ASAP within 24 hours. Packing List 1pcs * AUTOOL SPT3601pcs * Power supply1pcs * Packing box1pcs * User manual