SAMDO 85mm Marine Tachometer Car Truck Boat Tacho Gauge with Hour Meter Waterproof 8000 RPM 12V 24V

SAMDO 85mm Marine Tachometer Car Truck Boat Tacho Gauge with Hour Meter Waterproof 8000 RPM 12V 24V

• 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)