How to Choose the Right Oxygen Concentrator？

Selecting an oxygen concentrator requires evaluating usage needs, technical specifications, and brand reliability. Below is a structured guide to help you make an informed decision.

1. Determine Your Oxygen Needs
Daily Wellness (fatigue relief, mild supplementation):
Opt for 1-3 L/min flow rate with oxygen concentration ≥90%. These devices suit users without chronic respiratory conditions 
Medical Use:
Choose ≥5 L/min medical-grade concentrators that maintain ≥90% oxygen concentration at maximum flow. 

2. Critical Technical Specifications
Oxygen Concentration: Medical standards require 93%±3% (90–96%). 
Noise Level: Prioritize ≤45 dB (library-quiet).
Continuous Operation: Ensure 24/7 runtime capability and compressor durability ≥10,000 hours for medical-grade reliability.

3. Core Components & Brand Selection
Compressor: Oil-free compressors offer longevity and low noise. Avoid low-cost alternatives prone to failure.
Molecular Sieve: Lithium-based sieves (not sodium) ensure stability. Adequate filling prevents oxygen concentration decline.

4. Scenario-Specific Features
High-Altitude Areas (>2,000m): Use plateau-specific models， standard machines lose efficiency at elevation.
Dual-User Needs: Select dual-channel output.
Elderly-Friendly Design: Large screens, voice prompts, and precision knobs enhance usability.

5. Avoiding Common Pitfalls
Beware of Low Prices: Cheap models compromise on compressors/sieves, increasing failure rates.
Verify Performance: Demand third-party test reports for 5L flow at ≥90% concentration.

Note: Oxygen concentrators require continuous power and cannot store oxygen. Always follow medical advice for flow/duration settings .