Secondhand Yuwell 8F-5A 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: 11.08.2025

Yuwell 8F-5A Oxygen Concentrator Analysis Report

Device Identity and Authenticity

The product shown in the images is an oxygen concentrator. According to the information on the device, in the user manual, and on the warranty card, the product’s brand is Yuwell and its model is 8F-5A. Elements such as the detailed technical label, CE mark (CE0123), manufacturer information, and serial number on the device indicate that the product is authentic. The quality of the accessory package and the documents also supports this conclusion.

General Condition and Physical Assessment

The device is in very good condition overall and gives the impression of being new or very lightly used. No scratches, cracks, dents, discoloration, or significant dirt have been observed on its white casing and black control panel. All parts of the product appear clean and well-maintained. Regarding the mechanical components, the flow rate adjustment knob (Flowrate), timing and count buttons, carrying handle, and the humidifier bottle compartment are visually flawless.

Technical Details and Label Information

The technical label on the device and the “Qualified Certificate” document contain important information. As the device is not plugged in, its screen is off; therefore, data such as usage hours cannot be read. However, it is apparent from the panel that there are functions such as “TIMING” and “COUNTS” (Counts/Operating hours).

The information on the labels is as follows:

• Brand: Yuwell
• Model: 8F-5A
• Lot Number (LOT): JR241126
• Serial Number (SN): 2411000074
• Other Codes: (01) 06933257921924, (11) 241223, (21) 2411000074
• Power Supply: 230V~, 50Hz
• Input Power: 350VA
• Oxygen Purity: 93% ± 3% at a flow rate of 5L/min.
• Net Weight: 16.5kg
• Protection Class: IP21
• Inspection Date: 2024/12/23

Accessories and Documents

The following parts and documents are present with the device in the images:

• Humidifier bottle and connecting tube mounted on the device
• Integrated power cord
• One oxygen cannula (nasal cannula) in an unopened, sterile package
• Yuwell 8F-5A Oxygen Concentrator User Manual
• Yuwell Warranty Card (States a 2-year warranty, but the card has not been filled out)
• Qualified Certificate (Certificate of Conformity)

Conclusion and Potential Risk Assessment

This analysis is based entirely on the provided images. The examined Yuwell 8F-5A model oxygen concentrator is in excellent physical condition. No findings indicating any damage, wear, or malfunction have been identified on the device. The cleanliness of the device, the presence of its documents, and one new accessory indicate that the product has been meticulously maintained. Based on the visual evidence, no potential risk has been detected that would prevent the device from operating or cause a malfunction in the near future.