Chamber Comparison
Henshaw XL ProvsPerry Baromedical Sigma 36
Henshaw
XL Pro
2
ATA
£50,000 - £75,000 (~$60,000 - $90,000)
Starting
3yr
Warranty
Perry Baromedical
Sigma 36
3
ATA
$55,000 - $95,000
Starting
1yr
Warranty
The Bottom Line
The Henshaw XL Pro wins on warranty and weight, while the Perry Baromedical Sigma 36 takes the edge in max pressure, price, and fda clearance. If max pressure matters most, the Perry Baromedical Sigma 36 is the better choice.
Key Differences
Henshaw
2 ATA
Perry Baromedical
3 ATA
Higher pressure enables more clinical protocols. The Perry Baromedical Sigma 36 reaches 3 ATA, which supports FDA-approved treatment protocols.
Henshaw
£50,000 - £75,000 (~$60,000 - $90,000)
Perry Baromedical
$55,000 - $95,000
A ~8% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.
Henshaw
FDA no
Perry Baromedical
FDA cleared: yes
The listing's fda_cleared field. This page does not add a purchase rule.
Henshaw
3 years
Perry Baromedical
1 year
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
Henshaw
375 lbs
Perry Baromedical
2,500 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
Henshaw XL Pro
Premium clinics, larger patients, comfort-focused medical facilities
View full details →Best for
Perry Baromedical Sigma 36
Hospitals, larger patients, reduced claustrophobia
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 | 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 | 375 lbs★ | 2,500 lbs |
| Interior Dimensions | Extra-large single-person hard-shell | 36in diameter |
| Portability | stationary | fixed-installation |
| FDA Cleared | No | Yes (#Multiple 510(k)s)★ |
| CE Marked | Yes | Yes |
| Made In | United Kingdom | United States |
| Price | £50,000 - £75,000 (~$60,000 - $90,000)★ | $55,000 - $95,000 |
| Warranty | 3 years★ | 1 year |
| 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, BIBS system, multiple safety interlocks |
Henshaw XL Pro — Standout Features
Perry Baromedical Sigma 36 — Standout Features
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Request quotes from both manufacturers and compare real pricing.
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