The SYS-1 quartz electronic Hour Meter has a novel structure, agility, high precision, stable and reliable performance, long lifespan, wide adaptability to various environments, low price, and easy use. It is most suitable for standard industrial timing and widely used in engineering machinery, engineering vehicles, agricultural machinery, generators, air compressors, water pumps, cranes, various types of vehicles, etc. It provides scientific basis for the actual working time charging and tracking monitoring of precision instruments and equipment assessment and maintenance cycles.