O2 cells · mV trend
Air baseline (≈0.21 PO2) per dive. Healthy slope: flat-to-slowly-falling. A cell trending down sharply, or one diverging from its mates, is a replacement.
No data yet. Record cell mV on the Component Inspection page and save.
Pre-dive workspace
Hollis Prism 2
Five checklists, in the exact order of the Hollis manual HO.04.05.0014. Field values you enter on any checklist — cell mV, battery voltage, sorb hours, gas pressures — get captured into every save you make and charted here over time. The dashboard is how you catch a sloping cell before it tries to kill you.
Cumulative health
From your saved checklists. Sign in to populate.
Batteries
Last recorded voltages.
- Primary—
- Solenoid—
- HUD—
Sorb hours
Used vs. EN 14143 max (3.0 hrs @ 1.6 L·min⁻¹ CO2).
Predictions
From your last 0 saves. Heuristic only — replace any cell that looks suspect on the bench, regardless of what this says.
- Cellsawaiting data
- Primary batteryawaiting data
- Annual serviceawaiting data
Checklists
Manual order. Each is a dedicated page; your progress and data persist between them in this browser session.
§4
Component Inspection
Pre-build visual + tactile check of every component before assembly.
0 / 35 done
→§5
Assembly Order
Pack the scrubber, build the loop, plumb the gas.
0 / 19 done
→§6
Operational Checklist
Pre-dive sequence: analyze, power, leak, pre-breathe, final.
0 / 23 done
→§7
Post Dive Checklist
Drain, dry, record, store — in that order.
0 / 13 done
→§8
Maintenance + Repair Log
Annual service, O-ring rotation, cell replacement, sorb hours.
0 / 5 done
→REF
Cheat Sheet
In-water refresher: dil flush, bailout to OC, ID10T test.
→