Chamber Comparison
HPO TECH PetravsOxygen Ark 901
HPO TECH
Petra
2.4
ATA
$50K
Starting
—
Warranty
Oxygen Ark
901
1.5
ATA
$18K
Starting
1yr
Warranty
The Bottom Line
The HPO TECH Petra wins on max pressure and clinical credibility, while the Oxygen Ark 901 takes the edge in price. If max pressure is your priority, the HPO TECH Petra is the stronger pick.
Key Differences
HPO TECH
2.4 ATA
Oxygen Ark
1.5 ATA
Higher pressure enables more clinical protocols. The HPO TECH Petra reaches 2.4 ATA, which supports FDA-approved treatment protocols.
HPO TECH
Custom quote (est. $50,000 - $100,000)
Oxygen Ark
$18,000 - $28,000 (estimated)
A significant price gap of ~64%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
HPO TECH
5/10
Oxygen Ark
3/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Who Should Buy Which?
Best for
HPO TECH Petra
Elderly patients, accessibility-focused clinics, easy-entry requirement
View full details →Full Specification Comparison
| Specification | HPO TECH Petra | Oxygen Ark 901 |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2.4 ATA★ | 1.5 ATA |
| Oxygen Delivery | 100%-medical-grade | mask/cannula |
| O₂ Concentration | 95-100% via mask/hood | Up to 95% |
| Capacity | 1-person | 1-person |
| Weight | — | 187 lbs |
| Interior Dimensions | Accessibility-focused with retractable acrylic door | — |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | No |
| CE Marked | Yes | Yes |
| Made In | Turkey | China |
| Price | Custom quote (est. $50,000 - $100,000)★ | $18,000 - $28,000 (estimated) |
| Warranty | — | 1 year |
| Clinical Score | 5/10★ | 3/10 |
| Brand Established | 2020 | — |
| Climate Control | Yes★ | No |
| Communication System | Yes★ | No |
| Emergency Features | Emergency depressurization, fire suppression, retractable door for easy access | — |
HPO TECH Petra — Standout Features
Oxygen Ark 901 — Standout Features
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