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What are Algorithms dive computer?
The dive computer is used to calculate your maximum dive time that allows for a longer and safer dives. The dive computer and dive over the table as the diving tool for all your parameters to calculate diving to enjoy.
Dive computers use algorithms for the calculation of these safe diving limits. They will make adjustments for the two groups of fast and slow tissue tissue groups. It uses this information to estimate the nitrogen in your body. Based on the amount of time you have is water and your depth, from the computer then calculates how much longer you can safely stay underwater.
Various types of algorithms
Algorithms vary by each manufacturer and model only a few algorithms are actually used. Some algorithm can also modification of an existing algorithm. When you consider buying your next dive computer, the main feature to watch is the algorithm that air decompression limit monitor used.
Algorithms with different manufacturers using a variety of factors in their algorithms, as indicated by rapid and slow tissue groups. Solubility, permeability, and blood contact for a given tissue, say for example a kidney, a tissue compartment or tissue group. " Dive Computers use this fabric compartments "to simulate the effect of a gas in your body at depth. The more tissue compartments" measures a computer, how accurate (theoretically) the computer measure the effect of a dip in your body. 9 to 12 compartments is pretty standard, but a few consumer models have 16 or more.
Here are four of the main algorithms used in dive computers:
Group 1: Haldane / Spencer Algorithm
The Haldane / Spencer model uses test results PADI Diving Science and Technology and was developed by Rogers and Powell. Within their algorithm they use 12 separate tissue compartments. Oceanic and Sherwood use this algorithm for model their dive computers.
Group 2: Modified Algorithm Haldanian
This algorithm model was used by Mares and is based on nine tissue compartments. Now the last Mares dive computers the Reduced Gradient Bubble Model.
Group 3: Suunto Reduced Gradient Bubble Algorithm
This model is partly based on work by Wienke and Hamilton and uses nine tissue compartments. Suunto were the first to use the RGDM and other manufacturers are starting to use it. The big difference This algorithm is they feel micro-bubbles in the blood resulting nitrogen building. The theory was that they consider these micro bubbles are a condition of the larger bubbles which can lead to DCS.
Group 4: Uwatec Buehlmann ZH-L8 ADT algorithm and the ZH-L8 ADT MB.
This algorithm model uses eight tissue compartments and has recently been updated with two additional letters, the Buhlmann adaptive model is extended to as the ZH-L8 ADT MB which stands for micro-bubble. This algorithm is used by Scubapro and Uwatec.
Short fall of algorithms
Algorithms are unable to account for age, previous injuries, the ambient temperature, body build, alcohol / dehydration, and patent foramen ovale (hole in the heart).
Which algorithm is best?
Remove from factors such as cost, appearance, Other features etc than the more "tissue compartments" measures a computer, how accurate (theoretical) computer, the effect of a dip in your body to measure. 9 to 12 compartments are fairly standard nowadays, but a few dive computers are now in 16 compartments.
Even if two algorithms have similar results, producing will add its own factor of safety, so they can dive computers to be aggressive or conservative. An aggressive computer gives more time than under a conservative dive computer, and it is wise to understand the properties of their own dive computer to ensure that matches the skills and comfort level expected.
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