Depth Gauge

A device used to measure the depth of water, typically found on marine vessels to ensure safe navigation in shallow waters. 

A depth gauge is an instrument on boats and ships to determine the depth of water beneath the vessel’s keel. It helps the crew to avoid running aground in shallow waters and assists in anchoring the vessel at a safe distance from the seabed. Depth gauges can come in various forms, such as mechanical sounders, electronic sensors, or even simple lead lines. They provide real-time information on the water depth, allowing the captain to make informed decisions while navigating through different water bodies. In addition to ensuring the safety of the vessel, depth gauges are also crucial for activities like fishing, diving, and underwater exploration, where knowing the water depth is essential for planning and executing tasks effectively.