Be suitable for all kinds of tacho sensors, and display the rotation speed of the engine. Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration. IP67 waterproof , rainproof, dust proof , anti fogging?Indicating Range: 0-8000RPM Come with no speed sensor , Speed sensor Mounting Thread has 2 sizes : M16 (Asin:B079GXS9CF) ?M18(ASIN:B079GWJDH4) , it needs to be ordered separately Speed ratio Setting : 2 stroke engine , the speed ratio equal to cylinder number(For example: 2 stroke,2 cylinder engine, speed ratio is 2, H-002.0); 4 stroke engine, the speed ratio equal to a half of cylinder number( For example: 4 stroke , 4 cylinder engine, speed ratio is 2, speed ratio is 2, H-002.0)
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Item# : A109569864
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