Depth gauge
![A digital depth gauge combined with a timer and temperature display, also referred to as a](/Images/godic/202501/08/Depth_gauge5516.jpg")
A depth gauge is a pressure gauge that displays the equivalent depth in water. It is a piece of diving equipment often used by SCUBA divers.
Most modern diving depth gauges have an electronic mechanism and digital display. Older types used a mechanical mechanism and analogue display.