Chamber Comparison
Perry Baromedical Sigma 36vsSechrist Industries 3300H
Perry Baromedical
Sigma 36
3
ATA
$55K
Starting
1yr
Warranty
Sechrist Industries
3300H
3
ATA
$60K
Starting
1yr
Warranty
The Bottom Line
The Perry Baromedical Sigma 36 has clear advantages in price. However, both chambers sit in the Clinical Grade tier, so consider your specific requirements before deciding.
Key Differences
Perry Baromedical
$55,000 - $95,000
Sechrist Industries
$60,000 - $100,000
A ~8% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.
Who Should Buy Which?
Best for
Perry Baromedical Sigma 36
Hospitals, larger patients, reduced claustrophobia
View full details →Best for
Sechrist Industries 3300H
Hospitals, wound care centers, clinical HBOT programs
View full details →Full Specification Comparison
| Specification | Perry Baromedical Sigma 36 | Sechrist Industries 3300H |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 3 ATA | 3 ATA |
| Oxygen Delivery | 100%-medical-grade | 100%-medical-grade |
| O₂ Concentration | 100% via BIBS with Duke hoods | 100% oxygen environment (entire chamber pressurized with O2) |
| Capacity | 1-person | 1-person |
| Weight | 2,500 lbs | 2,500 lbs |
| Interior Dimensions | 36in diameter | 33in diameter |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | Yes (#Multiple 510(k)s) | Yes (#K140559) |
| CE Marked | Yes | Yes |
| Made In | United States | United States |
| Price | $55,000 - $95,000★ | $60,000 - $100,000 |
| Warranty | 1 year | 1 year |
| Clinical Score | 9/10 | 9/10 |
| Brand Established | 1956 | 1973 |
| Climate Control | Yes | Yes |
| Communication System | Yes | Yes |
| Emergency Features | Emergency depressurization, fire suppression, BIBS system, multiple safety interlocks | Dual emergency vent system (unique to Sechrist), fire suppression, safety interlocks |
Perry Baromedical Sigma 36 — Standout Features
Sechrist Industries 3300H — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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