Service
Rigid HBOT Chamber Maintenance — The 20-Minute Weekly Check
A rigid HBOT chamber needs 20 minutes of weekly checks (filters, seals, pressure hold, O2 monitor) and an annual service. Skip the weekly check and you are gambling with safety.
Weekly 20-minute check
- Visual inspection. Look at the door seal for cracks, the window for scratches, the cables for fraying.
- Air filter. Pull the compressor intake filter, blow it out with compressed air, or replace if dirty.
- Pressure hold test. Pressurize the empty cabin to 1.3 ATA, close the valves, wait 10 minutes. Pressure drop should be under 5 kPa. More than that = a seal leak.
- O2 monitor calibration check. Run fresh air through the sensor, confirm it reads ~21%. If it drifts, schedule a calibration.
- Emergency vent test. Pressurize to 1.1 ATA, open the manual vent, confirm it depressurizes smoothly and quickly.
- Alarm test. Trigger the over-pressure alarm deliberately and confirm staff hear it in the next room.
Monthly
- Deep-clean the interior lining with medical-grade disinfectant.
- Check the door lock mechanism for smooth operation.
- Review the session log for any unexplained O2-flow alarms.
Annual
- Full pressure-vessel test (we send a checklist; your local biomedical engineer can do it).
- O2 monitor calibration by a service center.
- Replace door seal and air filter set.
We keep a recommended spare-parts list (seals, filters, fuses, O2 sensor) and ship worldwide within 3–5 working days. A chamber on a proper maintenance schedule will run 10+ years. The ones that fail early are the ones that skipped the weekly check.
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