Scuba diving submersible pressure gauges (SPG) are essential items of diving kit. They provide important data about your air systems and help you to plan safe diving trips.
Dive gauges have been used in diving for many years now and have increased safety significantly. Scuba diving gauges whether they are analogue or metric will help with navigation and keep you on track during your dive. Depth and pressure gauges measure the depth you are at throughout your dive along with the accurate tank pressure so you know how much air you have left to consume.