Diving gauges are categorized according to their functions.
scuba diving gauge measures the air supply, alerting the diver to the amount of air he or she has in his or her tank.
depth. It tells the diver about their maximum depth and their current depth.
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Timing Gauge: This measures the amount of time spent underwater.
Compass: This indicates the direction of travel. It will lead the diver back to the boat or shore easily once lost, if the diver knows how to properly use it.
Taking Care of Your Diving Gauges
Taking care of your gauges along. In addition, make sure to pack your gauges on top of heavy weight items to prevent damage.