HOW TO USE? - It is normal that the pointer of the tachometer is not zero when it is not installed. After power on, the product will check and adjust the pointer by itself, no other operations are required.
- If the pointer of the product is still not zero after power-on, it can be started normally. When the pointer is above zero, it can be restarted to adjust the pointer after power off.
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APPLICATION It is used to measure the engine speed of 12V gasoline vehicle. It is simple and easy to use.
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3.75" Tachometer The measurement range is 0~8000RPM. Suitable for 1 2 3 4 5 6 7 8 cylinder petrol cars or 1 - 2 cylinder new motorcycles.
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