Topcon digital levels are engineered for professionals who need fast, accurate, and consistent elevation measurements in the field. The lineup includes the DL-503, ideal for daily construction use with ±0.8 mm/km accuracy and 28x magnification; the DL-502, offering improved ±0.6 mm/km accuracy and 32x optics for higher precision needs; and the flagship DL-501, which delivers ±0.2 mm/km accuracy, 10,000-point internal memory, and a full alphanumeric keypad for advanced survey and monitoring tasks. Each model features Wave-and-Read technology for quick, automatic readings, inverse staff recognition for overhead measurements, and onboard programs for elevation, height difference, and cut/fill. Whether you're handling basic site leveling or high-precision infrastructure work, Topcon digital levels provide the speed, durability, and reliability to get the job done.