Chamber Comparison

Oxygen Ark Ark H1vsSechrist Industries 3600H

Oxygen Ark

Ark H1

Clinical Grade

1.5

ATA

$15K

Starting

1yr

Warranty

Sechrist Industries

3600H

Clinical GradeFDA Cleared

3

ATA

$70K

Starting

1yr

Warranty

The Bottom Line

The Oxygen Ark Ark H1 wins on price, while the Sechrist Industries 3600H takes the edge in max pressure, fda clearance, and clinical credibility. If max pressure matters most, the Sechrist Industries 3600H is the better choice.

Key Differences

Max PressureSechrist Industries 3600H

Oxygen Ark

1.5 ATA

Sechrist Industries

3 ATA

Higher pressure enables more clinical protocols. The Sechrist Industries 3600H reaches 3 ATA, which supports FDA-approved treatment protocols.

PriceOxygen Ark Ark H1

Oxygen Ark

$15,000 - $25,000 (estimated)

Sechrist Industries

$70,000 - $110,000

A significant price gap of ~79%. Consider whether the higher-priced unit's additional features justify the investment for your use case.

FDA ClearanceSechrist Industries 3600H

Oxygen Ark

Not FDA Cleared

Sechrist Industries

FDA Cleared

FDA clearance matters if you need insurance reimbursement, plan to operate a clinical facility, or want the highest safety assurance. For home wellness use, it's less critical.

Clinical CredibilitySechrist Industries 3600H

Oxygen Ark

3/10

Sechrist Industries

9/10

This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.

Who Should Buy Which?

Best for

Oxygen Ark Ark H1

Budget clinics, cost-conscious clinical buyers

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Best for

Sechrist Industries 3600H

Hospitals, bariatric patients, patient comfort priority, high-volume programs

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Full Specification Comparison

SpecificationOxygen Ark Ark H1Sechrist Industries 3600H
Chamber TypeHard-Shell MonoplaceHard-Shell Monoplace
Performance TierClinical GradeClinical Grade
Max Pressure1.5 ATA3 ATA
Oxygen Deliverymask/cannula100%-medical-grade
O₂ ConcentrationUp to 95%100% oxygen environment (entire chamber pressurized with O2)
Capacity1-person1-person
Weight2,500 lbs
Interior Dimensions36in diameter with hydraulic gurney
Portabilityfixed-installationfixed-installation
FDA ClearedNoYes (#K140559)
CE MarkedYesYes
Made InChinaUnited States
Price$15,000 - $25,000 (estimated)$70,000 - $110,000
Warranty1 year1 year
Clinical Score3/109/10
Brand Established1973
Climate ControlNoYes
Communication SystemNoYes
Emergency FeaturesDual emergency vent system, fire suppression, safety interlocks, hydraulic gurney

Oxygen Ark Ark H1 — Standout Features

Hard-shell at budget priceChinese manufacturing

Sechrist Industries 3600H — Standout Features

Hydraulic gurney36in wide boredual emergency ventenhanced patient handling

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