Secondhand Plusmed PM-KN03T 3kg Portable Oxygen Concentrator

Objective AI Report

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Report date: 01.12.2025

pM-KN03T Portable Oxygen Concentrator Analysis Report

Device Identification

The product shown in the visuals is a device that provides medical respiratory support. Considering the product’s form, air outlet port, carrying case, battery system, and power accessories (especially the car charging kit), this device has been identified as a Portable Oxygen Concentrator. These devices are compact medical products designed to meet the oxygen needs of patients on the go.

Brand and Model Analysis

The label and brand inscription located at the top of the product’s front control panel have been examined in detail. The device’s model is clearly written in large fonts as pM-KN03T directly below the screen. Although a clear brand name such as “Plusmed” is not directly visible on the device, the model code “pM” confirms that this device belongs to Plusmed or OEM equivalent series industrially. In the report content, based on the concrete data in the visual, the model will be referred to as pM-KN03T.

Originality Status

The device’s plastic molding quality, control panel label, craftsmanship on the screen frame, and custom-sewn carrying case indicate that the product is a factory-made and original production. There is no appearance of an aftermarket or assembled product; the accessories are fully compatible with the device.

Areas of Use

This device is used to provide mobility (freedom of movement) for patients suffering from COPD, respiratory failure, or those who require oxygen therapy. It is designed to provide continuous oxygen support to patients outside the home, during travel, or inside a vehicle. The included car adapter and carrying case prove that the device is manufactured for outdoor use.

Quantity Information

The total list of parts identified in the visuals is as follows:

• 1 Main Device (Oxygen Concentrator)
• 1 Black Carrying Case (Device placed inside)
• 1 Shoulder Strap (Attached to the case)
• 1 AC Power Adapter (Black large adapter box)
• 1 AC Power Cable (With plug end)
• 1 DC Car Charging Cable (With cigarette lighter input)
• 1 External Battery (White rectangular block)
• 1 External Battery Charging Station (White desktop cradle)

Overall Condition and State

The device is a used product, but its cosmetic condition is quite good. It is in a state that can be described as “clean”. No yellowing, heavy dirt, or signs of wear and tear were found on its casing. From the outside, it gives the impression of being carefully used.

Physical Deformation Examination

No deep scratches, cracks, or significant impact marks are visible on the product’s white plastic outer casing. There is no peeling or lifting on the black control panel label. No tears, unstitched areas, or excessive pilling have been observed on the fabric of the carrying case. There might be only superficial and indistinct marks due to normal use, but there are no noticeable flaws.

Mechanical and Electronic Components

Electronic: The device’s screen is off in the visual (no power supplied), so no comments can be made about the screen pixel status. However, the control panel buttons (Power On/Off, +, -, Mute) are physically intact and in place. The oxygen output port (nozzle) is sound.
Mechanical: The ventilation grilles on the lower sides of the device appear clean, with no visible obstructions. The zippers of the bag and the strap locking mechanisms (plastic buckles) appear sturdy.

Accessories and Battery Analysis

The accessory set is quite comprehensive and constitutes a complete travel kit.

• Carrying Case: The original case is available with a transparent window to view the device’s screen and buttons, and a special hole (ringed) for the air outlet hose.
• Power Adapters: Both home-type (socket) and car-type (cigarette lighter) adapters are available. There are no signs of crushing, breakage, or tape repairs on the cables; their sheaths are intact.
• Battery System: In the 2nd frame of the visual, a white block and a station are seen in the bottom right corner. These are the portable battery, which allows the device to operate without a power source, and the desktop charging station, which is used to charge this battery independently of the device. The presence of this accessory is an important detail that enhances the product’s value.

Label and Control Panel Information

The following inscriptions and symbols are found on the device’s panel:

• Model: pM-KN03T
• Buttons:
  • Power symbol
  • (+) and (-) buttons: Likely used to adjust oxygen flow rate or timer.
  • Mute (Speaker with a line through it) symbol: Used to silence the alarm.
• Indicators: Icon areas reserved for warning lights (battery status, fault light, etc.) are visible on the left and right sides of the screen.

Size and Portability

The product is compact enough to fit into a shoulder bag. Using the hand size in the visual as a reference (and comparing it with the bag size), it is visually understood that the device is approximately 20-30 cm tall, falls into the “Handheld” class, and is a lightweight device (estimated to be in the 2-3 kg range).

Potential Malfunction Risk

During the visual inspection, no negative aspects that would pose a risk (such as cable fraying, battery swelling, rust, or liquid contact stains) were found on the device’s exterior, battery, or cables. The clean condition suggests that the device has been used carefully and does not carry a high risk. However, it should be remembered that filters and “sieve bed” (molecular sieve) components in oxygen concentrators are consumable parts with a limited lifespan; the condition of internal filters cannot be seen through visual analysis.