The Honeywell 85101-02 Quartz Plus dc Hour Meter is a reliable solution for accurately measuring operating time in various industrial applications. This hour meter features a custom CMOS integrated circuit, indicating time in hours and tenths, and includes a running indicator. It is designed for versatility with battery system voltages ranging from 6 to 80 Vdc and is UL and CSA certified. Ideal for lawn tractors, farm equipment, construction equipment, recreational vehicles, and more, the 85101-02 ensures accurate time tracking for enhanced maintenance and operational efficiency.