SP02 Dual Hole Car Spark Plug Tester, Automotive Spark Plug Tester
How to use (easy test in four steps) Step 1 Please insert the spark plug into the socket ① or ②; Step 2 Cover the protective cover, insert the power adapter into the socket ⑦ on the right side of the product, and connect the external power supply; Step 3 Turn the knob switch ⑥ clockwise, the indicator light ⑤ will light up, and the high-voltage indicator lights ③ (corresponding to socket ①) and ④ (corresponding to socket ②) will also light up; Step 4 Continue to turn the knob switch ⑥ to adjust the operating frequency from 1000 to 6000 rpm; the higher the frequency, the higher the spark plug strength. Packing list: 1*Automobile spark plug jump fire tester Warm tips: 1. Please allow 1-3 mm error due to manual measurement. Please make sure you don't mind before bidding. 2. Colours may vary.
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