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

Objective AI Report

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Report date: 11.11.2025

Respirox ZF-5B Oxygen Concentrator Analysis Report

Overview and Device Description

The product shown in the images is an oxygen concentrator, which is a medical device that produces high-concentration oxygen by separating nitrogen from ambient air. The device is designed for users who require respiratory support. The product consists of a single main unit and includes one humidifier bottle.

Brand and Model Identification

On the front of the device, the Respirox brand and the ZF-5B model code are clearly visible at the bottom. Based on this information, the brand and model of the product have been definitively identified. The quality of the logo and text suggests that the device is original.

Usage and Functionality

This product is used to provide continuous oxygen for therapeutic purposes. Its integrated flowmeter allows for the adjustment of oxygen flow rate per minute, showing values from 1 to 5 L/min (liters/minute). Data such as total operating hours can be monitored via its digital display. It has a design suitable for use in home or clinical environments.

Physical Condition and Cosmetic Assessment

• General Condition: Despite being used, the device generally has a clean and well-maintained appearance. No significant yellowing or discoloration is observed on its plastic casing.
• Physical Deformations: There are no major cracks, breaks, or dents on the device’s casing. Some superficial scratches and light scuff marks, consistent with use, are noticeable on the side and front, but these do not affect the device’s functionality.
• Cleanliness: No significant dirt or dust accumulation is observed on the product overall or in its ventilation grilles. The humidifier bottle is transparent and clean.

Technical Details and Observations

Technical observations derived from the examination of the images are listed below:

• Display Information: The device’s digital display is active. The screen shows a value of 14966 hours under the heading “Counts (hours)”, indicating the device’s total operating time. This suggests heavy usage.
• Control Panel: The panel features a “POWER” button and two up/down adjustment buttons. The buttons appear physically sound.
• Mechanical Components: The flowmeter knob and its graduated indicator for adjusting oxygen flow are intact. The device can be easily moved thanks to the wheels located at its base. The oxygen outlet port (OXYGEN OUTLET) is clean and undamaged.
• Label Information: There are labels on the top of the device containing warnings and usage instructions, but the resolution of the photos is insufficient to read specific information such as the serial number, REF code, or lot number.

Accessories and Equipment

• Quantity Information: The images show 1 unit of Respirox ZF-5B oxygen concentrator.
• Included Accessories: A transparent humidifier (water) bottle is attached to the device.
• Missing Accessories: The images do not show external accessories essential for the device’s operation, such as a power cable, or patient connection accessories like an oxygen cannula (hose) or mask.

Summary and Conclusion

The examined Respirox ZF-5B model oxygen concentrator, despite having a high usage time of 14966 hours, is physically well-preserved and in a maintained condition. No cracks, fissures, or obvious signs of malfunction that would affect its functionality have been observed. The digital display is operational, and the control buttons are in place. The absence of essential accessories such as a power cable and oxygen cannula is a significant drawback. In terms of potential breakdown risk, while there is no visible severe wear, the high operating hours might necessitate periodic maintenance or part replacement in the future. In its current state, the device is in an aesthetically acceptable condition.