Having the right equipment for the specific type of diving you plan on doing will make the experience much safer and more enjoyable. Comfort and fit are very important considerations when purchasing diving equipment, but even more important is the proper use of that equipment. With that in mind, it's always wise to consult with a diving instructor or industry expert before taking the plunge.
Types of Diving Systems
According the University of Wisconsin Sea Grant website, one of the most common types of diving is scuba diving, which can be performed for recreational, military, commercial or scientific purposes. The two types of scuba diving are "open" and "closed" systems. The difference between the two is the diver's air canister. An open system will eventually run out, while a closed system allows the diver to reuse the air in the canister because it is passed through a cylinder that removes the carbon dioxide from the diver's breath. Most beginning divers will use an open system tank.
Basic Diving Gear
The most basic diving gear includes a wetsuit, mask, diving boots and fins. According to Aqua Views, an online scuba diving magazine, the primary function of the wetsuit is warmth. They are made from neoprene and help preserve body heat by creating a layer of trapped water in the material, which will warm up and act as an insulator. A mask forms an air pocket in front of your face which keeps water out of your eyes and allows you to view your surroundings. Fins are important for navigating and working against currents; they help the diver move with ease, which conserves energy and uses less of the air supply. Diving boots are also made of neoprene material and are worn under the fins for a comfortably-snug fit.
Buoyancy Control Device and Weights
Weights are often added to a divers' waists to help them descend. The amount of weight needed will differ for each person depending on their natural buoyancy and body fat, according to Aqua News. A buoyancy control device (BCD) is also worn; this is a vest to which the tank is strapped. The BCD can be deflated or inflated by the push of a button, or inflated manually by blowing into a mouthpiece. This allows the diver to control his descent in the water and compensate for the weight of his equipment.
Tank and Regulator
The regulator is the piece which allows the diver to breathe underwater. It has a hose that connects to the mouthpiece and is attached to the top of the tank. The main function of the regulator is to reduce the air pressure that is stored in the tank from the dangerous level of 3,000 psi to a breathable level of 140 psi. The scuba tank, also referred to as the cylinder, is composed of either aluminum or steel. According to The Scuba Guide.com, the size of your tank will vary by the amount of air you need, which is based on your body size, fitness level and other factors.
Considerations
Other accessories that can add to a positive diving experience include a compass, pressure gauge and dive computer. According to The Scuba Guide.com the main reason for a gauge is to keep you aware of your depth, time underwater and air consumption.
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