Portable Ultrasonic Water Depth Gauge | SUL811 Sounder

Handheld Portable Ultrasonic Bathymetric Water Depth Sounder for Field Surveys & Hydrography A complete, battery-powered water depth survey kit designed for rapid hydrographic measurements in rivers, lakes, reservoirs, dams, and shallow coastal waters. The SUL811 combines an IP68 submerged acoustic transducer with a portable handheld controller housed in a heavy-duty aluminum carrying case. Measuring Ranges: 50 m, 100 m, 200 m, or 300 m underwater depth options. Portability: Built-in rechargeable 12V lithium battery with dedicated charger & field case. Water Type: Configurable salinity settings for fresh water or seawater applications. Data Transmission: Optional RS485 / 4–20 mA output and internal data logging capability. Applications: Environmental monitoring, reservoir capacity surveys, dam maintenance, and river bed mapping.