Secondhand Respirox 7F-5B 5L/min Oxygen Concentrator

Objective AI Report

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Report date: 07.10.2025

Respirox 7F-5B Oxygen Concentrator Analysis Report

General Assessment and Product Description

The device shown in the visuals is one Respirox 7F-5B model oxygen concentrator. This device is a respiratory apparatus that separates nitrogen from ambient air to produce high-concentration oxygen suitable for medical use. The logo, inscriptions, and overall craftsmanship quality on the product give the impression of an original device. The general appearance of the device indicates that it has been previously used.

• Device Type: Oxygen Concentrator
• Brand: Respirox
• Model: 7F-5B
• Quantity: 1 Main Unit

Usage Status and Duration

The counter on the device’s digital display clearly shows that the product has been used for a total of 12579 hours. This high usage duration suggests that the device has been actively in service, but also implies that its internal components might be worn out. Overall, the device appears to be in working condition and functional.

Physical Condition and Deformation Analysis

Upon visual inspection of the device’s physical condition, some cosmetic flaws attributable to use have been identified.

• Casing: No significant cracks, fractures, or dents are observed on the device’s white plastic casing. The surface generally appears clean, but minor scratches or stains due to use might be present.
• Label: The label on the top part of the device has worn out over time, and its inscriptions are largely faded. This is an aesthetic flaw and does not affect the device’s functionality.
• Buttons and Controls: The Power button and other control buttons are physically intact and in place. The flow meter and adjustment knob are also in good condition.

Mechanical and Electronic Components

When evaluating the device’s mechanical and electronic components through the visuals, no obvious issues are apparent.

• Display: The device’s digital display is in working order. Numbers and icons are clearly legible. The display features “COUNTS (hours)” and “TIMING (minutes)” sections, along with a green illuminated operational indicator.
• Oxygen Outlet: The oxygen outlet port, labeled “OXYGEN OUTLET”, appears visually intact.
• Flow Meter: The flow meter chamber, which indicates the flow in liters/minute (L/min), is intact, and its scales are legible.
• Humidifier Compartment: The compartment located below the display, typically where the water (humidifier) bottle is placed, appears mechanically functional.

Accessories and Missing Parts

No accessories (such as oxygen cannula, humidifier water bottle, power cord, etc.) other than the device itself are visible in the image. Therefore, it can be assumed that accessories are missing alongside the device.

Current and Potential Failure Risk

There is no direct evidence in the visuals to suggest the device is faulty; the illuminated screen indicates that it is operational. However, the considerably high operating time of 12579 hours raises the possibility that crucial internal components, such as the compressor or molecular sieve, may be nearing the end of their lifespan. It is recommended to check the device’s performance and oxygen concentration with a technical measurement. No visible rust, crushed cables, or critical wear are observed.