Secondhand Respirox 7F-3 5L/min Oxygen Concentrator

Objective AI Report

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Report date: 10.11.2025

Respirox 7F-3 Oxygen Concentrator Analysis Report

Overview and Device Identification

The device shown in the visuals is an oxygen concentrator used to provide respiratory support. The device is designed to separate oxygen from ambient air and provide concentrated oxygen to the user. The product is evaluated as a model suitable for home use. The visuals include one oxygen concentrator and one water bottle (humidifier) attached to the device.

Brand and Model Information

As a result of examining the visuals, the brand and model of the device have been clearly identified. On the front panel of the device, the Respirox brand and the 7F-3 model code are clearly visible immediately below it. Based on this information, the full identity of the product has been determined as Respirox 7F-3.

Physical Condition and Deformation Assessment

The general condition of the device is assessed as used. Its white plastic casing appears to be in generally good condition. However, there are some small scratches and light dirt stains on the surface due to use. No cracks, breaks, or serious dents that would impede the device’s operation have been detected.

Mechanical and Electronic Component Analysis

No abnormalities were observed during the visual inspection of the device’s mechanical and electronic components.

• Control Panel: The Power button, Timing adjustment keys, and digital display appear physically intact.
• Flow Adjustment Knob: The rotary knob (Flow Meter) located on the front panel, used to adjust the oxygen flow rate, is in place and shows no damage.
• Water Bottle Compartment: The water bottle compartment with a transparent lid appears functional, and no issues were detected with the lid mechanism.
• Display: The digital display shows “8.8.”, which typically indicates the device’s self-test process upon initial power-on. There are no pixel errors or cracks on the screen.
• Oxygen Outlet: The “OXYGEN OUTLET” port located on the left side of the device is clean and undamaged.

Accessory Status

The visuals show only one water bottle (humidifier) with a transparent reservoir and a black cap, along with the main unit of the device. The water bottle appears to be correctly attached to the device. Apart from this, no other accessories such as an oxygen cannula, mask, extension tube, or additional filter are present.

Technical Details and Control Panel

The front panel of the device features a control panel where users can manage basic functions.

• Power Button: There is a “POWER” button used to turn the device on and off.
• Timer: In the “TIMING” section, it is understood that the operating time can be adjusted using the “+” and “-” buttons. The “1-99MIN” indication shows that the timer can be set between 1 and 99 minutes.
• Flow Meter: The flow meter located on the right side of the device indicates that oxygen flow can be adjusted between 1 and 5 liters per minute (L/min).
• Running Light: The “RUNNING” light is positioned to indicate that the device is actively producing oxygen, but this light is not active in the current visual.

No labels containing information such as a serial number, REF code, or lot number are visible on the device in the visuals.

Potential Risk Assessment

Based on visual evidence, no serious condition posing an immediate failure risk has been identified on the device. The casing integrity is intact, no risks such as crushing or stripping of cables are observed, and mechanical parts appear sound upon external inspection. Despite being used, the device has a well-maintained appearance and presents no signs of harboring a potential risk.