air integrated dive computer

air integrated dive computer

A technical issue of diving ... ?

How to calculate the rate of departure? I have an integrated air, only a scheme of preferences and to measure its depth.

According to the website below, SAC Rate = (DCR x 33) / (Depth + 33), where DCR Depth = Consumption Rate [lb / min] So in a way you can calculate the rate of ASC, is first to note the amount of air in the cylinder is diving (looking GSP). Then a minute later, check again to see GSP remaining air in the bottle - The difference between these two values (obtained from Statements of GPS), is equal to the DCR. In addition, the depth can be read on the depth gauge. Now it has its DCR, and depth, you can now determine their SAC rate. "Here is an example. Suppose you made a dive to 50 feet for 25 minutes and used 1700 pounds of air. This means that our CD is 1700/25 or 68 pounds per minute. Using this in our formula is obtained: SAC Rate = (68 x 33) / (50 33) or: Pound SAC Rate = 2244/83 or about 27 per minute. "

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