The Alpha ES50 enables real-time monitoring of water depth, battery level, and data acquisition status. It supports GPS positioning signal input with synchronized data collection time aligned to the GPS clock. Equipped with a built-in memory card for easy data transfer.
It offers a measuring range of 0.2–50 meters with minimal blind zones. Accuracy complies with marine survey standards: ≤2% of the measured range (meets Section 4.8 of the Marine Survey Specifications Part 2: Hydrographic Observations for water depth accuracy of ±2%).