The 17305489 is a Curtis 700 Series solid-state digital hour meter designed for reliable time tracking across a wide range of industrial and commercial applications. It features a 6-digit LCD display with 5mm or 7mm high digits and a 6 o'clock viewing angle, offering exceptional readability compared to traditional electro-mechanical meters. The unit operates over a temperature range of -40°C to +85°C with an accuracy of 0.1% and can measure up to 99,999.9 hours with 0.1-hour resolution. It incorporates nonvolatile EEPROM memory that retains data for 25+ years without power, ensuring no loss of accumulated time even during extended power outages. The hour meter is ideal for scheduled maintenance tracking, warranty documentation, and equipment leasing applications in medical equipment, transport vehicles, and industrial machinery.