Chamber Comparison
Henshaw MonoplacevsPerry Baromedical Sigma Elite
Henshaw
Monoplace
2
ATA
$50K
Starting
3yr
Warranty
Perry Baromedical
Sigma Elite
3
ATA
$80K
Starting
1yr
Warranty
The Bottom Line
The Henshaw Monoplace wins on price and warranty, 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
Henshaw
2 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.
Henshaw
£40,000 - £65,000 (~$50,000 - $80,000)
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.
Henshaw
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.
Henshaw
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.
Henshaw
3 years
Perry Baromedical
1 year
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
Who Should Buy Which?
Best for
Henshaw Monoplace
Medical clinics, hospitals, professional sports facilities, advanced wellness centers
View full details →Best for
Perry Baromedical Sigma Elite
Modern hospitals, EMR-integrated facilities, flagship clinical programs
View full details →Full Specification Comparison
| Specification | Henshaw Monoplace | Perry Baromedical Sigma Elite |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2 ATA | 3 ATA★ |
| Oxygen Delivery | ambient-air | 100%-medical-grade |
| O₂ Concentration | 21% (ambient); optional O2 concentrator available | 100% via BIBS with Duke hoods |
| Capacity | 1-person | 1-person |
| Weight | — | 2,200 lbs |
| Interior Dimensions | Single-person hard-shell design | Premium monoplace |
| Portability | stationary | fixed-installation |
| FDA Cleared | No | Yes (#Multiple 510(k)s)★ |
| CE Marked | Yes | Yes |
| Made In | United Kingdom | United States |
| Price | £40,000 - £65,000 (~$50,000 - $80,000)★ | $80,000 - $130,000 |
| Warranty | 3 years★ | 1 year |
| Clinical Score | 5/10 | 9/10★ |
| Brand Established | 2008 | 1956 |
| Climate Control | Yes | Yes |
| Communication System | Yes | Yes |
| Emergency Features | Emergency depressurization, safety interlocks, fire suppression considerations | Emergency depressurization, fire suppression, touch-screen controls, EMR integration |
Henshaw Monoplace — 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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