Chamber Comparison

Perry Baromedical Multiplace SeriesvsPerry Baromedical Sigma 40-II

Perry Baromedical

Multiplace Series

Clinical GradeFDA Cleared

3

ATA

$150K

Starting

1yr

Warranty

Perry Baromedical

Sigma 40-II

Clinical GradeFDA Cleared

3

ATA

$100K

Starting

1yr

Warranty

The Bottom Line

The Perry Baromedical Sigma 40-II 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

PricePerry Baromedical Sigma 40-II

Perry Baromedical

$150,000 - $400,000+

Perry Baromedical

$100,000 - $160,000

A significant price gap of ~33%. Consider whether the higher-priced unit's additional features justify the investment for your use case.

WeightPerry Baromedical Sigma 40-II

Perry Baromedical

5,000 lbs

Perry Baromedical

3,000 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 Multiplace Series

Large hospitals, military medical facilities, research centers, high-volume HBOT programs

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Best for

Perry Baromedical Sigma 40-II

High-volume wound care centers, efficiency-focused clinical programs

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Full Specification Comparison

SpecificationPerry Baromedical Multiplace SeriesPerry Baromedical Sigma 40-II
Chamber TypeHard-Shell MultiplaceHard-Shell Multiplace
Performance TierClinical GradeClinical Grade
Max Pressure3 ATA3 ATA
Oxygen Delivery100%-medical-grade100%-medical-grade
O₂ Concentration100% via BIBS with Duke hoods100% via BIBS with Duke hoods
Capacity2-18+ person2-person
Weight5,000 lbs3,000 lbs
Interior Dimensions2 to 18+ patient capacity (custom configurations)40.5in diameter, dual-patient
Portabilityfixed-installationfixed-installation
FDA ClearedYes (#Multiple 510(k)s)Yes (#Multiple 510(k)s)
CE MarkedYesYes
Made InUnited StatesUnited States
Price$150,000 - $400,000+$100,000 - $160,000
Warranty1 year1 year
Clinical Score9/109/10
Brand Established19561956
Climate ControlYesYes
Communication SystemYesYes
Emergency FeaturesFull emergency systems, fire suppression, multiple safety interlocks, attendant locksEmergency depressurization, fire suppression, dual BIBS, multiple safety interlocks

Perry Baromedical Multiplace Series — Standout Features

2-18+ patient capacitycustom configurationsattendant insideonly full-line manufacturer

Perry Baromedical Sigma 40-II — Standout Features

Dual-patient3.0 ATABIBS/Duke hoodsdoubled throughput

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