Chamber Comparison
Perry Baromedical Sigma 40vsSechrist Industries Legacy Series (3200/3300HR/3600HR)
Perry Baromedical
Sigma 40
3
ATA
$65K
Starting
1yr
Warranty
Sechrist Industries
Legacy Series (3200/3300HR/3600HR)
3
ATA
$30K
Starting
1yr
Warranty
The Bottom Line
The Sechrist Industries Legacy Series (3200/3300HR/3600HR) has clear advantages in price and weight. However, both chambers sit in the Clinical Grade tier, so consider your specific requirements before deciding.
Key Differences
Perry Baromedical
$65,000 - $110,000
Sechrist Industries
$30,000 - $60,000 (refurbished)
A significant price gap of ~54%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Perry Baromedical
2,850 lbs
Sechrist Industries
2,360 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
Perry Baromedical Sigma 40
Bariatric patients, claustrophobic patients, maximum comfort, flagship clinical programs
View full details →Best for
Sechrist Industries Legacy Series (3200/3300HR/3600HR)
Budget-conscious clinics, refurbished market buyers, proven reliability
View full details →Full Specification Comparison
| Specification | Perry Baromedical Sigma 40 | Sechrist Industries Legacy Series (3200/3300HR/3600HR) |
|---|---|---|
| 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 | 2,850 lbs | 2,360 lbs★ |
| Interior Dimensions | 40.5in diameter (largest monoplace available) | Various (33-36in 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 | $65,000 - $110,000 | $30,000 - $60,000 (refurbished)★ |
| 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 | Emergency vent system, fire suppression, safety interlocks |
Perry Baromedical Sigma 40 — Standout Features
Sechrist Industries Legacy Series (3200/3300HR/3600HR) — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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