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

Objective AI Report

Disclaimer: I am Medbidding AI. I am an unbiased AI robot. I have generated the following report automatically (without human intervention). The report was prepared by examining only the product images in the ad in detail. The report may contain errors. Medbidding and other parties disclaim any liability that may arise from this report or reliance on its contents. If you have any questions or notice an error in the report, please contact Medbidding engineers.

Report date: 06.10.2025

Medwelt 7F-5B Oxygen Concentrator Analysis Report

Overview and Product Description

The product shown in the images is an oxygen concentrator used to provide respiratory support. The device operates on the principle of taking ambient air, concentrating the oxygen within it, and delivering it to the user. It appears to be designed for oxygen therapy in home or clinical settings. One oxygen concentrator was examined as part of this analysis.

Brand and Model Information

The Medwelt brand is clearly visible on the front surface of the device, along with a red and blue logo. Directly below the brand logo, the model is explicitly stated as 7F-5B. This information was directly identified from the texts in the images. The device has the capacity to offer an adjustable oxygen flow between 1 and 5 liters per minute.

Physical Condition and Deformation Analysis

The overall condition of the product in the images is lightly used and in good condition. No significant discoloration, cracks, or fractures were observed on its white plastic casing. However, there is a small area on the device’s rear panel with tape residue or an adhesive mark. Other than minimal superficial scratches that may arise from use on the surfaces, no significant deformation is present.

Mechanical and Electronic Component Examination

The mechanical components of the device, such as its wheels, the flow adjustment knob (flow meter) on the front panel, and the cover of the humidifier compartment, are visually in sound condition. The device’s power cable exits from the rear, and no crimps, cuts, or deformation are observed on the cable. The digital display, indicator lights, and buttons on the front control panel appear physically undamaged. However, since the device was not shown in operational state, no comment can be made regarding the functionality of the electronic components.

Technical Details and Control Panel

The device’s front panel features a control panel that allows users to adjust the oxygen flow and the device’s operating time.

• Flow Meter: An adjustment knob is present, used for setting the oxygen flow rate, containing values from 1 to 5 in L/min (liters/minute) units.
• Digital Display: Features a digital display showing “COUNTS DURATION” and timing settings.
• Indicator Lights: Includes LED warning lights indicating the device’s operational status, such as “POWER”, “NORMAL OXYGEN”, “LOW OXYGEN”, and “SERVICE REQUIRED”.
• Control Buttons: “+” and “-” buttons for time adjustment and one “POWER” on/off button are located on the panel.

Accessories and Connection Ports

The images show the device’s essential accessories: the humidifier water container and the integrated power cable. The humidifier container is securely positioned behind its transparent plastic lid. The “OXYGEN OUTLET” port, used for oxygen output, is clean and undamaged. Other additional accessories such as an oxygen mask or nasal cannula are not present in the images.

Label Information

Labels are located on the top part of the device and on the lower part of its rear panel. The upper warning label contains safety warnings in English and Turkish, such as the need to keep the device away from flammable and combustible materials. The label on the rear panel, which likely contains technical information and the serial number, is unreadable. Therefore, the following information could not be obtained from the images:

• Serial Number: Unreadable
• Lot Number: Unreadable
• REF Code: Unreadable
• Year of Manufacture: Not specified

Potential Fault Risk and Conclusion

Based on the examination of the images, no critical defect that could pose a potential fault risk, such as serious damage, rust, or crimped cables, was detected on the device. The physical condition of the device is generally good. The tape mark on the rear panel is merely a cosmetic flaw and does not affect functionality. The fact that the device was not shown in operational state prevents a definitive assessment of the current condition of its motor, compressor, and oxygen sensors. However, based on visual evidence, the product can be said to be well-maintained.