The Omron H7ET-N1-B Counter is an efficient time counter designed for long-duration timing applications requiring consistent accuracy. It supports hour and day measurement up to 999999.9 h or 3999 d 23.9 h, offering extensive monitoring capability. With a 7-digit LCD and clear 8.6 mm character height, visibility remains excellent in control panels. The unit operates on no-voltage input with reliable 20 ms reset performance. Its IP66-rated front panel, combined with strong resistance to noise, vibration, and shock, ensures durability. Manufactured by Omron and included under Omron Counter devices, this model belongs to the Omron H7ET Series.