Secondhand Caire Companion 5 5L/min Oxygen Concentrator

Objective AI Report

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Report date: 01.11.2025

Caire Companion 5 Oxygen Concentrator Analysis Report

General Assessment and Product Description

The device shown in the visuals is a Caire Companion 5 model oxygen concentrator used for medical purposes. This device is designed to take ambient air, separate nitrogen from it, and provide high-concentration oxygen to the user. Based on its labels and general structure, it is understood that the device is a medical product used for continuous flow oxygen therapy in home or care settings. Considering the overall condition of the product in the visual, including the scratches and labels belonging to a medical equipment company, it is clearly seen to be used. The device offers easy portability thanks to its wheeled design.

Brand and Model Information

The brand and model of the product are clearly stated on both the front face of the device and on the technical product label on the back. According to this information, the device’s brand is Caire, and its model is Companion 5. The labels also indicate that the Caire brand is “A Chart Industries Company”. The logo and typography on the product suggest that the device is original.

Physical Condition and Deformations

Upon detailed examination of the device’s outer casing, various physical imperfections resulting from use are noticeable.

• Scratches and Abrasions: There are numerous white scratches and scuff marks, especially on the front and side parts of the device’s grey plastic casing. This indicates that the device has been actively used before.
• Labels: In addition to the factory-issued labels, there are two labels belonging to an oxygen and medical supplies provider named “HS MEDICAL EQUIPMENT” on the device. The edges of these labels show slight wear.
• Cleanliness: Dust and dirt accumulations are observed in recessed areas such as the air intake grilles on the front panel. Generally, the device can be said to be in need of superficial cleaning.
• Integrity: Aside from the cosmetic imperfections mentioned, no cracks, breaks, or major dents have been detected on the device’s casing. The overall casing integrity is in good condition.

Technical Details and Label Information

The product label on the rear surface of the device contains important technical information. According to this information, the device is classified as an Oxygen Concentrator-OCSI.

• Brand: CAIRE (A Chart Industries Company)
• Model: Companion 5
• Electrical Requirements: 120V – 60Hz 3.7A
• Oxygen Flow Capacity: 0.5 – 5.0 LPM (Liters/Minute)
• Oxygen Concentration: 90% (+5.5 / -3%)
• Barcode Number: The white label at the top contains the number 20147660 along with a QR code. This number is believed to be a serial number or an inventory tracking number.
• Safety and Certifications: The label features important safety symbols such as a “No Smoking” warning, IPX1 (water protection class), and the ETL Intertek certification logo.

The front panel of the device features an analog flow meter. This meter allows for adjusting and displaying oxygen flow between 0 and 5 L/min. The panel also has a power on/off switch and areas for warning lights (I/O, O₂, and caution triangle) that indicate various statuses.

Mechanical and Electronic Components

Mechanical Components: On the front of the device, there is a metal nipple (connection point) used for oxygen output, which appears sturdy. The flow adjustment knob and power switch are in place and show no physical damage. The wheels on the bottom of the device are designed to provide mobility.

Electronic Components: Since the device was not observed in working condition, no comment can be made regarding the functionality of its electronic components. However, the I/O, O₂, and warning symbols on the panel indicate that the device has a system to inform the user about its operating status, oxygen level, and potential errors.

Accessories and Missing Parts

No accessories (e.g., nasal cannula, humidifier bottle, or power cord) are visible in the visuals other than the device itself. Therefore, these parts should be assumed to be missing.

Potential Risk Assessment

The external appearance of the device indicates a history of intensive use. Scratches and general wear can be considered cosmetic imperfections. However, as with any used medical device, there may be wear and tear from use in unseen internal components (compressor, filters, etc.). Specifically, the air intake filters may need to be checked and possibly replaced for the device’s performance and longevity. The available visuals do not show any obvious malfunction or broken parts that would prevent the device from operating.