Chamber Comparison
Henshaw MonoplacevsOxygen Ark 901
Henshaw
Monoplace
2
ATA
$50K
Starting
3yr
Warranty
Oxygen Ark
901
1.5
ATA
$18K
Starting
1yr
Warranty
The Bottom Line
The Henshaw Monoplace wins on max pressure, clinical credibility, and warranty, while the Oxygen Ark 901 takes the edge in price. If max pressure is your priority, the Henshaw Monoplace is the stronger pick.
Key Differences
Henshaw
2 ATA
Oxygen Ark
1.5 ATA
Higher pressure enables more clinical protocols. The Henshaw Monoplace reaches 2 ATA, which supports FDA-approved treatment protocols.
Henshaw
£40,000 - £65,000 (~$50,000 - $80,000)
Oxygen Ark
$18,000 - $28,000 (estimated)
A significant price gap of ~64%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Henshaw
5/10
Oxygen Ark
3/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Henshaw
3 years
Oxygen Ark
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 →Full Specification Comparison
| Specification | Henshaw Monoplace | Oxygen Ark 901 |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2 ATA★ | 1.5 ATA |
| Oxygen Delivery | ambient-air | mask/cannula |
| O₂ Concentration | 21% (ambient); optional O2 concentrator available | Up to 95% |
| Capacity | 1-person | 1-person |
| Weight | — | 187 lbs |
| Interior Dimensions | Single-person hard-shell design | — |
| Portability | stationary | fixed-installation |
| FDA Cleared | No | No |
| CE Marked | Yes | Yes |
| Made In | United Kingdom | China |
| Price | £40,000 - £65,000 (~$50,000 - $80,000) | $18,000 - $28,000 (estimated)★ |
| Warranty | 3 years★ | 1 year |
| Clinical Score | 5/10★ | 3/10 |
| Brand Established | 2008 | — |
| Climate Control | Yes★ | No |
| Communication System | Yes★ | No |
| Emergency Features | Emergency depressurization, safety interlocks, fire suppression considerations | — |
Henshaw Monoplace — Standout Features
Oxygen Ark 901 — Standout Features
Interested in either chamber?
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