CCR vs OC NDL / Deco Compare V0.3 · Educational Simulation
DiverInterCom KCore Scuba — one dive, one gas selection, two Bühlmann ZH-L16C / GF simulations.
CLOSED CIRCUIT REBREATHER

CCR

NDL @ selected depth
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Deco
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Runtime
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First stop
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Max ceiling
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Active SP @ max
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Loop O₂ @ max
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EAD @ max
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END @ max
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CCR stopStop timeRun time
OPEN CIRCUIT

OC

NDL @ selected depth
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Deco
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Runtime
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First stop
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Max ceiling
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OC stopStop timeRun time
CCR NDL advantage
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CCR deco difference
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CCR runtime difference
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Combined dive profile
Depth increases downward. Dashed green shows the maximum CCR NDL profile when it extends beyond the selected bottom time.
CCR actualOC actual- - - CCR max NDL
Educational decompression simulation — not validated for operational dive planning. The decompression engine uses Bühlmann ZH-L16C with adjustable gradient factors and simplified planning assumptions (10 m/bar, 20 m/min descent, 9 m/min ascent, 3 m stop grid). CCR inspired inert gas is derived from the selected setpoint and diluent. CCR maximum-depth readout shows active setpoint, approximate loop O₂ fraction, EAD, and END when helium is present. Do not use this experimental browser tool as the sole basis for real dive execution or life-support decisions; validate against established decompression software, training procedures and your actual rebreather/computer.