What is a backup regulator?
All divers carry a backup second stage, also known as an “octopus regulator” or a “safe second stage.” This regulator acts as a backup in the event that another diver needs additional air to get back to the surface, or more rarely in the event of a problem with the diver’s own second stage.
When planning a dive with a computer I use the plan?
Refer: Using Dive Computers and Tables I – Planning Dives with Your Computer. With most dive computers, you scroll depths in 3meters increments, displaying maximum time allowed per depth. Thus, you plan dives with your dive computer by activating it and scrolling the no stop limits.
What happens if you throw up while scuba diving?
When a person is retching or vomiting, the glottis is preventing air from being released from the lungs, meaning there are the same risks to the diver as holding breath if he starts to ascend: pulmonary barotrauma or arterial gas embolism.
Is scuba diving exercise?
Scuba diving is a full body workout, but one you do not often realize until you are finished. This level of exercise supplemented by some weight training to maintain muscle mass will allow individuals to maintain a medically acceptable level of fitness.
What is the most important feature of scuba regulator?
How Does a Scuba Regulator Works? All Scuba Regulator has one basic function and that is to decrease the high air pressure in the scuba tank to ambient pressure (surrounding pressure) so that we can breathe comfortably underwater. The regulator achieves this through two stages, the first stage and the second stage.
How much does a scuba regulator cost?
Breathing on a regulator in a dive store tells you nothing about how it will perform under water. Cost – From $225 to $1,600. Our Advice – You’ve got to do your homework to find the best regulator available for your budget.
How do I choose a pressure regulator?
In order to choose the correct regulator the following information is needed: – Function: Pressure reducing or backpressure control? – Pressure: What are the maximum and minimum inlet and outlet pressure ranges? – Fluid: Is it a gas or a liquid? – Temperature: What is the operating temperature? – Flow: What are the …