The Honeywell 85000 Series Quartz Hour Meter (part number 85094-19) delivers exceptional performance and reliability in a technically advanced quartz package. Designed with a highly reliable drive mechanism and an improved odometer gear train, this meter ensures accurate timekeeping even in demanding environments. Its snap-together integrated chassis fits into a shockproof, totally-sealed case made of engineered plastic, impervious to acids and solvents. The meter's quartz accuracy of ±200ppm, ±0.02% across the entire voltage and temperature range, combined with excellent vibration and shock resistance, makes it ideal for applications requiring precise time measurement in harsh conditions. It is commonly used in industrial equipment, vehicles, and other applications where accurate time tracking is essential.