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

Objective AI Report

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Report date: 12.11.2025

Medwell 7F-5B Oxygen Concentrator Analysis Report

Overview and Device Identification

The device shown in the visuals is a Medwell brand 7F-5B model oxygen concentrator. This device is designed to separate gases from ambient air to provide high-concentration oxygen to the user. The inspection consists of one main unit and its connected accessories. The product has been viewed from different angles, both packaged and unpackaged.

Brand and Model Information

On the front surface of the device, the Medwell brand logo in red and gray colors, along with the 7F-5B code indicating its model, are clearly visible. Through visual evidence, the brand and model of the device have been definitively confirmed.

General Condition and Authenticity

The general condition of the device is new or nearly new. The shine of its outer casing, the absence of any wear or stains on it, and its appearance in protective plastic packaging and within its box in one visual, indicate that the device has either never been used or has been used very little. The logo print quality, labels, and overall craftsmanship indicate that the product is original.

Physical and Mechanical Evaluation

Casing and Exterior Surface: No scratches, dents, cracks, discoloration, or physical deformation have been observed on the white main body. The surface of the device has a clean and well-maintained appearance.

Mechanical Components:

• Control Buttons: The power switch and other buttons on the control panel are physically intact and in place.
• Flowmeter: The rotary valve used to adjust oxygen flow and the L/min (Liters/minute) indicator are undamaged.
• Humidifier Reservoir: The transparent humidifier bottle and its black cap located on the front of the device are present, and there are no visible breaks or cracks.

Electronic Components and Control Panel

On the front surface of the device, there is a control panel forming the user interface. This panel features a “POWER” switch, a digital display for timing/counting (“COUNT/timing”) functions, and buttons with “ON” and a warning symbol. Since the device is not shown in operation in the visuals, no comments can be made about the functionality of the screen or warning lights, but all electronic components are physically complete and undamaged.

Label Information and Technical Details

Labels and inscriptions visible on the device are as follows:

• Brand: Medwell
• Model: 7F-5B
• Oxygen Outlet Port Label: Under the heading “OXYGEN OUTLET”, technical specifications “Flow Range >= 2L/min” (Flow Range greater than or equal to 2 L/min) and “Output Pressure > 70kPa” (Output Pressure greater than 70kPa) are located.
• Flow Meter: It is scaled from 1 to 5 in L/min.
• Certification: A CE mark, indicating compliance with European standards, is located on the front bottom right corner of the device.
• Warning Labels: On the upper part of the device, there are adhesive labels containing safety warnings written in different languages and international “no smoking” symbols.

Labels showing the device’s serial number, REF code, or manufacturing date could not be clearly viewed in the visuals.

Accessories and Connection Points

No external accessories (power cable, oxygen cannula, mask, extension hose, user manual, etc.) are visible in the visuals, other than the humidifier bottle attached to the device. On the front panel of the device, there is a metal oxygen outlet port where the hose from the humidifier bottle is connected.

Current Fault and Potential Risk Assessment

Current Fault: No evidence of any broken parts, missing components, or functional issues related to the device is found in the visuals. The device presents a physically complete and ready-to-operate appearance.

Potential Fault Risk: Due to the product’s nearly new condition and the absence of any signs of wear, no serious potential fault risk that could be predicted based on the visuals has been identified. The general condition of the device is favorable.