The DE-1A is a home-use electric oxygen concentrator (brand DEDAKJ) that supplies medical oxygen at flow rates from 1 to 8 L/min. It is intended for patients needing home oxygen therapy, such as people with COPD, those recovering from surgery, or anyone prescribed supplemental oxygen. Always use under a physician's guidance.
The unit delivers adjustable oxygen concentration from approximately 30% to 90% (±3%) and supports flow settings from 1 to 8 liters per minute.
Flow and settings are adjusted using the HD LCD touch screen on the front panel. Your clinician should prescribe the appropriate flow rate; follow the device manual for step-by-step instructions.
The concentrator is relatively lightweight at 7 kg and compact (340 × 180 × 310 mm), making it easy to move around the home. It is mains-powered (AC 220V ±22V or 110V ±10V) and does not include an internal battery, so continuous portability without external power is limited.
Yes. The DE-1A operates at a low noise level (≤45 dB(A)), suitable for use during sleep. Ensure you or your caregiver check alarms and fittings before sleeping and follow your physician's instructions.
The DE-1A runs on mains electricity: AC 220V ±22V or AC 110V ±10V (model variants). Use the correct voltage for your region and the provided power cable. For planned power outages, arrange an approved backup oxygen source (cylinder or battery-powered POC) because the unit has no internal battery.
Yes. The unit features an HD LCD touch screen that displays operating status and warnings. It provides audible/visual alarms for common issues (e.g., low oxygen purity, power failure, high temperature). Consult the user manual for alarm meanings and troubleshooting steps.
Regular maintenance typically includes cleaning or replacing the external air filter per the manual (often monthly depending on environment), wiping the exterior with a damp cloth, and keeping intake vents clear. Internal components (sieve beds) should only be serviced by authorized technicians. Follow the included maintenance schedule and contact online technical support if needed.
The product listing specifies a shelf life of 3 years for storage. Actual service life in operation depends on usage and maintenance; contact the manufacturer or technical support for guidance on expected operating lifespan and component replacement intervals.
The DE-1A is CE certified according to the product specifications. Check with the seller for additional regional certifications or regulatory approvals if required in your country.
Most home concentrators that require mains power are not approved for use on commercial flights. If you plan to travel by air or internationally, consult the airline and arrange an approved portable oxygen concentrator (POC) or airline oxygen service. For car travel, use a proper inverter or DC adapter approved for the unit and follow safety instructions.
You will typically need a medical-grade oxygen nasal cannula and, if prescribed, a compatible humidifier bottle. Use only compatible accessories recommended by the manufacturer and replace disposables (cannula, tubing) regularly to maintain hygiene and performance.
If power is lost, the concentrator will stop supplying oxygen. Have an emergency plan: keep an auxiliary oxygen cylinder or battery-powered portable oxygen device available and contact your healthcare provider for guidance. Never attempt to modify the unit's wiring to run it from unapproved power sources.
Yes. Keep the device at least 1–2 feet from heat sources, open flames, and oil/grease. No smoking near the concentrator or oxygen tubing. Ensure adequate ventilation around intake vents. Do not use volatile or flammable substances nearby. Follow the user manual and your clinician's instructions.
The product offers online technical support. For repairs, filter or sieve bed replacement, warranty claims, and replacement parts contact the seller or manufacturer (DEDakJ) or the authorized service center listed in the manual. Keep your purchase and serial number information handy when contacting support.
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