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Chapter 43
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REBREATHERS
ADVANTAGES
SILENT, ECONOMICAL, +/- MAGNETIC
DISADVANTAGES
1. CO2 TOXICITY
2. DILUTION HYPOXIA, HYPEROXIA
3. CAUSTIC COCKTAIL
4. INITIAL and MAINTENANCE EXPENSE
OXYGEN RE-BREATHERS :
DEPTH LIMIT 8 – 9metres
CONSTANT FLOW. O2 = FLOW vs. ENERGY
OXYGEN MONITORS = FAILURE.
DCS?
Fig. 43.1