Chamber Comparison
HPO TECH PetravsSechrist Industries 4100H
HPO TECH
Petra
2.4
ATA
$50K
Starting
—
Warranty
Sechrist Industries
4100H
3
ATA
$90K
Starting
1yr
Warranty
The Bottom Line
The HPO TECH Petra wins on price, while the Sechrist Industries 4100H takes the edge in max pressure, fda clearance, and clinical credibility. If max pressure matters most, the Sechrist Industries 4100H is the better choice.
Key Differences
HPO TECH
2.4 ATA
Sechrist Industries
3 ATA
Higher pressure enables more clinical protocols. The Sechrist Industries 4100H reaches 3 ATA, which supports FDA-approved treatment protocols.
HPO TECH
Custom quote (est. $50,000 - $100,000)
Sechrist Industries
$90,000 - $140,000
A significant price gap of ~44%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
HPO TECH
Not FDA Cleared
Sechrist Industries
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
Sechrist Industries
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
Sechrist Industries 4100H
Bariatric patients, claustrophobic patients, maximum comfort clinical programs
View full details →Full Specification Comparison
| Specification | HPO TECH Petra | Sechrist Industries 4100H |
|---|---|---|
| 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% oxygen environment (entire chamber pressurized with O2) |
| Capacity | 1-person | 1-person |
| Weight | — | 3,000 lbs |
| Interior Dimensions | Accessibility-focused with retractable acrylic door | 41in diameter (world's largest monoplace alongside Perry Sigma 40) |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | Yes (#K140559)★ |
| CE Marked | Yes | Yes |
| Made In | Turkey | United States |
| Price | Custom quote (est. $50,000 - $100,000)★ | $90,000 - $140,000 |
| Warranty | — | 1 year |
| Clinical Score | 5/10 | 9/10★ |
| Brand Established | 2020 | 1973 |
| Climate Control | Yes | Yes |
| Communication System | Yes | Yes |
| Emergency Features | Emergency depressurization, fire suppression, retractable door for easy access | Dual emergency vent system, fire suppression, safety interlocks |
HPO TECH Petra — Standout Features
Sechrist Industries 4100H — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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