Chamber Comparison
HPO TECH PetravsPerry Baromedical Sigma Elite
HPO TECH
Petra
2.4
ATA
$50K
Starting
—
Warranty
Perry Baromedical
Sigma Elite
3
ATA
$80K
Starting
1yr
Warranty
The Bottom Line
The HPO TECH Petra wins on price, while the Perry Baromedical Sigma Elite takes the edge in max pressure, fda clearance, and clinical credibility. If max pressure matters most, the Perry Baromedical Sigma Elite is the better choice.
Key Differences
HPO TECH
2.4 ATA
Perry Baromedical
3 ATA
Higher pressure enables more clinical protocols. The Perry Baromedical Sigma Elite reaches 3 ATA, which supports FDA-approved treatment protocols.
HPO TECH
Custom quote (est. $50,000 - $100,000)
Perry Baromedical
$80,000 - $130,000
A significant price gap of ~38%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
HPO TECH
Not FDA Cleared
Perry Baromedical
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.
HPO TECH
5/10
Perry Baromedical
9/10
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 →Best for
Perry Baromedical Sigma Elite
Modern hospitals, EMR-integrated facilities, flagship clinical programs
View full details →Full Specification Comparison
| Specification | HPO TECH Petra | Perry Baromedical Sigma Elite |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2.4 ATA | 3 ATA★ |
| Oxygen Delivery | 100%-medical-grade | 100%-medical-grade |
| O₂ Concentration | 95-100% via mask/hood | 100% via BIBS with Duke hoods |
| Capacity | 1-person | 1-person |
| Weight | — | 2,200 lbs |
| Interior Dimensions | Accessibility-focused with retractable acrylic door | Premium monoplace |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | Yes (#Multiple 510(k)s)★ |
| CE Marked | Yes | Yes |
| Made In | Turkey | United States |
| Price | Custom quote (est. $50,000 - $100,000)★ | $80,000 - $130,000 |
| Warranty | — | 1 year |
| Clinical Score | 5/10 | 9/10★ |
| Brand Established | 2020 | 1956 |
| Climate Control | Yes | Yes |
| Communication System | Yes | Yes |
| Emergency Features | Emergency depressurization, fire suppression, retractable door for easy access | Emergency depressurization, fire suppression, touch-screen controls, EMR integration |
HPO TECH Petra — Standout Features
Perry Baromedical Sigma Elite — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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