Chamber Comparison
O2Air Pro 60vsPerry Baromedical Sigma 34
O2Air
Pro 60
2
ATA
Contact manufacturer
Starting
2yr
Warranty
Perry Baromedical
Sigma 34
3
ATA
$50,000 - $90,000
Starting
1yr
Warranty
The Bottom Line
The O2Air Pro 60 wins on warranty and weight, while the Perry Baromedical Sigma 34 takes the edge in max pressure and fda clearance. If warranty is your priority, the O2Air Pro 60 is the stronger pick.
Key Differences
O2Air
2 ATA
Perry Baromedical
3 ATA
Higher pressure enables more clinical protocols. The Perry Baromedical Sigma 34 reaches 3 ATA, which supports FDA-approved treatment protocols.
O2Air
FDA no
Perry Baromedical
FDA cleared: yes
The listing's fda_cleared field. This page does not add a purchase rule.
O2Air
2 years
Perry Baromedical
1 year
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
O2Air
660 lbs
Perry Baromedical
2,200 lbs
Weight matters for portability and installation. Lighter chambers are easier to move between rooms or take to a second location.
Who Should Buy Which?
Best for
Perry Baromedical Sigma 34
Hospitals, wound care centers, clinical HBOT programs
View full details →Full Specification Comparison
| Specification | | |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2 ATA | 3 ATA★ |
| Oxygen Delivery | mask/cannula | 100%-medical-grade |
| O₂ Concentration | Up to 95% | 100% via BIBS with Duke hoods |
| Capacity | 1-person | 1-person |
| Weight | 660 lbs★ | 2,200 lbs |
| Interior Dimensions | 220cm L x 90cm diameter | 33.5in diameter |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | Yes (#Multiple 510(k)s)★ |
| CE Marked | Yes | Yes |
| Made In | Austria | United States |
| Price | Contact manufacturer | $50,000 - $90,000 |
| Warranty | 2 years★ | 1 year |
| Brand Established | — | 1956 |
| Climate Control | No | Yes★ |
| Communication System | No | Yes★ |
| Emergency Features | — | Emergency depressurization, fire suppression, BIBS system, multiple safety interlocks |
O2Air Pro 60 — Standout Features
Perry Baromedical Sigma 34 — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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