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Quiet Oxygen Concentrator
A quiet oxygen concentrator is a medical device designed to separate oxygen from ambient air and deliver a continuous or adjustable oxygen-enriched gas stream for homecare, clinical, and residential care environments.
Features
A quiet oxygen concentrator is a medical device designed to separate oxygen from ambient air and deliver a continuous or adjustable oxygen-enriched gas stream for homecare, clinical, and residential care environments.
Utilizing Pressure Swing Adsorption (PSA) technology, the unit passes ambient air through molecular sieve beds (zeolite) to adsorb nitrogen and output high-purity oxygen. Acoustic output is minimized through optimized mechanical design and internal airflow routing, allowing the device to operate effectively in noise-sensitive indoor spaces without compromising daily oxygen delivery performance.
Technical Specifications
|
Parameter |
Reference Specification |
|
Oxygen Generation Technology |
Pressure Swing Adsorption (PSA) |
|
Maximum Recommended Flow |
5 L/min |
|
Oxygen Concentration |
>= 90% V/V (at or below maximum recommended flow) |
|
Reference Sound Pressure Level |
<= 60 dB(A) (subject to test method, operating flow, and ambient distance) |
|
Oxygen Outlet Pressure |
30 to 60 kPa |
|
Input Power / Power Supply |
350 VA, AC 220 V / 50 Hz (customizable for 110 V / 60 Hz) |
|
Dimensions |
380 x 355 x 610 mm |
|
Weight |
21.3 kg (+/- 5%) |
Acoustic Performance & Technical Evaluation
Vibration Isolation: Compressor mounting design configured to absorb mechanical vibration and prevent casing resonance.
Acoustic Baffling: Internal channels engineered to reduce intake and exhaust air turbulence.
Testing Conditions: Sound pressure levels must be assessed under defined parameters, including measurement distance in meters and background noise thresholds.
Thermal Balance: Sound-dampening enclosures must maintain adequate cooling airflow during prolonged continuous operation to prevent compressor overheating.
Safety & Alarm Systems
To maintain operational reliability in homecare and clinical settings, the device incorporates standard active monitoring and warning mechanisms:
Power Failure Alarm: Triggers an audible and visual alert if the power supply is suddenly disconnected.
Oxygen Purity Monitoring: Internal sensors track output concentration and alert users if purity drops below safe operational thresholds.
Pressure Anomalies: Detects internal compressor pressure drops or overpressure states.
Thermal Protection: Automatic compressor shut-off in the event of abnormal temperature loads.
Daily Maintenance & Consumables
Proper upkeep ensures stable oxygen delivery and extends service life. Routine user maintenance requirements include:
Air Inlet Filters: Clean external filter foam every 1 to 2 weeks using mild soap and water; ensure complete drying before reinstallation.
Humidifier Bottle: Clean and disinfect the water bottle daily with purified or distilled water to prevent mineral scale buildup and bacterial growth.
Internal Filter Replacement: Replace internal intake or bacterial filters according to the operating hour intervals specified in the user manual.
Frequently Asked Questions
Q: Is this device suitable for 24-hour continuous operation?
A: Yes, the unit is engineered for continuous daily operation, provided that routine room ventilation and scheduled filter maintenance are strictly maintained.
Q: How should the noise level be interpreted in a real bedroom setting?
A: The reference sound level of <= 60 dB(A) is measured under controlled conditions. In an actual room, perceived sound depends on room dimensions, wall materials, and the distance between the bed and the device.
Q: What type of water should be used in the humidifier bottle?
A: Distilled water or purified drinking water is strongly recommended to prevent mineral scaling inside the bottle and delivery tubing.
Q: Can the oxygen flow rate be adjusted freely?
A: Yes, the front panel flow meter knob allows users to adjust the output from 0 up to 5 L/min according to clinical prescriptions.
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