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A typical graph produced when testing the breathing performance of a diving regulator. The breathing performance of regulators is a measure of the ability of a breathing gas regulator to meet the demands placed on it at varying ambient pressures and temperatures, and under varying breathing loads, for the range of breathing gases it may be expected to deliver.
A diving regulator or underwater diving regulator is a pressure regulator that controls the pressure of breathing gas for underwater diving.The most commonly recognised application is to reduce pressurized breathing gas to ambient pressure and deliver it to the diver, but there are also other types of gas pressure regulator used for diving applications.
The same depth change of 1 m upwards will increase the gas volume in the BC to 1.3/1.2 × 2.78 = 3.012 litres, a difference of 0.232 litres. Example 2: The same diver as in example 1 at 30 m depth at the beginning of the dive with 200 bar in the 12 litre cylinder has about 3.1 kg gas in the cylinder, requiring about 3.1 litres of gas in the BC ...
The scuba set is usually removed with the BC inflated and held so it does not float away. The diver places both hands on the edge of the paving, fins upwards and uses the arms to boost themself upward as far as possible before swinging round to sit, or swinging up a knee.
[1] [2] This rule generally only applies to diving in overhead environments, such as caves and wrecks, where a direct ascent to the surface is impossible and the divers must return the way they came. For divers following the rule, one third of the gas supply is planned for the outward journey, one third is for the return journey and one third ...
Pages in category "3 BC" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. ...