Chamber Comparison
Perry Baromedical Sigma 34vsTimeWorld O2 Capsule T3
Perry Baromedical
Sigma 34
3
ATA
$50K
Starting
1yr
Warranty
TimeWorld
O2 Capsule T3
1.5
ATA
$25K
Starting
1yr
Warranty
The Bottom Line
The Perry Baromedical Sigma 34 wins on max pressure, fda clearance, and clinical credibility, while the TimeWorld O2 Capsule T3 takes the edge in price. If max pressure is your priority, the Perry Baromedical Sigma 34 is the stronger pick.
Key Differences
Perry Baromedical
3 ATA
TimeWorld
1.5 ATA
Higher pressure enables more clinical protocols. The Perry Baromedical Sigma 34 reaches 3 ATA, which supports FDA-approved treatment protocols.
Perry Baromedical
$50,000 - $90,000
TimeWorld
$25,000 - $40,000 (estimated)
A significant price gap of ~50%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Perry Baromedical
FDA Cleared
TimeWorld
Not FDA Cleared
FDA clearance matters if you need insurance reimbursement, plan to operate a clinical facility, or want the highest safety assurance. For home wellness use, it's less critical.
Perry Baromedical
9/10
TimeWorld
4/10
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
Perry Baromedical Sigma 34
Hospitals, wound care centers, clinical HBOT programs
View full details →Full Specification Comparison
| Specification | Perry Baromedical Sigma 34 | TimeWorld O2 Capsule T3 |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 3 ATA★ | 1.5 ATA |
| Oxygen Delivery | 100%-medical-grade | mask/cannula |
| O₂ Concentration | 100% via BIBS with Duke hoods | Up to 95% |
| Capacity | 1-person | 1-person |
| Weight | 2,200 lbs | — |
| Interior Dimensions | 33.5in diameter | — |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | Yes (#Multiple 510(k)s)★ | No |
| CE Marked | Yes★ | No |
| Made In | United States | Japan |
| Price | $50,000 - $90,000 | $25,000 - $40,000 (estimated)★ |
| Warranty | 1 year | 1 year |
| Clinical Score | 9/10★ | 4/10 |
| Brand Established | 1956 | — |
| Climate Control | Yes★ | No |
| Communication System | Yes★ | No |
| Emergency Features | Emergency depressurization, fire suppression, BIBS system, multiple safety interlocks | — |
Perry Baromedical Sigma 34 — Standout Features
TimeWorld O2 Capsule T3 — Standout Features
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