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 and Product Description

The device analyzed in the visuals is a battery-powered mobile Portable Oxygen Concentrator intended for medical use. The device has a compact structure designed to meet patients’ oxygen therapy needs while traveling or away from home. The product features a white hard plastic casing, an integrated carrying handle, and an LCD information screen.

Brand and Model Information

A detailed examination of the device’s front control panel clearly identified the model identifier as PM-KN03T. Although there is no prominent main brand logo (e.g., Philips, Inogen, etc.) on the device, the “PM-KN03T” code is the technical model identity of this product. The power adapter displays the brand DELTA ELECTRONICS and model MDS-060AAS12 A.

Areas of Use

This device is used to provide supplemental oxygen for patients suffering from COPD (Chronic Obstructive Pulmonary Disease), asthma, or low oxygen saturation. Its portable nature, battery operation, and car charging support ensure the continuity of oxygen therapy away from home, during travel, or on flights. The cannula (nasal tubing) accessory in the visual is the primary component that delivers oxygen to the patient.

General Condition and State

Visually, the device is in a used but well-preserved condition. No significant discoloration (UV damage) is observed on the white plastic casing; the white tone is homogeneous. The fabric and stitching of the carrying bag appear intact. The device screen is bright and functional. It can be evaluated as a clean product in second-hand status.

Usage Duration and Screen Analysis

The device has been powered on, and its screen is active. The information on the blue backlit LCD screen is as follows:

• Elapsed Time: The phrase “01174 (h)” is clearly visible on the screen. This indicates that the device has been in operation for a total of 1174 hours since its manufacture. Considering the lifespan of portable oxygen devices, this usage time provides concrete information about the device’s history.
• Battery level indicators and operating timer icons are also discernible on the screen.

Accessories and Quantity Information

The total set of parts and accessories provided with the device in the visuals is quite extensive. The identified parts are as follows:

• 1 PM-KN03T Main Device Unit.
• 1 Black Original Carrying Bag (device-specific with window and shoulder strap).
• 1 Original Battery (detachable/attachable to the device, white).
• 1 External Battery Charging Station (in white box form, for charging the battery independently from the device).
• 1 AC Power Adapter (Delta Electronics brand, black).
• 1 Power Cord (with plug end).
• 1 Car Cigarette Lighter Charging Adapter (with black cable).
• 1 Nasal Cannula (transparent oxygen tubing).

Technical and Label Examination (Adapter Details)

The technical label on the power adapter shown in the 4th visual was read, and the following technical data was obtained:

• Brand: DELTA ELECTRONICS, INC.
• Model: MDS-060AAS12 A
• Input: 100-240V ~ 1.5 A – 50-60Hz (Universal voltage compatible).
• Output: 12V ⎓ 5A (This value indicates that the device operates at 12 volts and consumes approximately 60W of power).
• This adapter belongs to a reliable brand often preferred for medical devices.

Physical and Mechanical Inspection

• Control Panel: No signs of erasure, cracks, or depressions are observed on the buttons of the device (On/Off yellow button, “+” and “-” adjustment buttons, mute button). The “PM-KN03T” label surface is clean.
• Casing: No deep scratches, breaks, impact marks, or cracks have been detected on the white plastic body. The ventilation grilles appear clean.
• Carrying Bag: The transparent screen window of the black zippered bag is intact and has not yellowed. The shoulder strap attachments of the bag are in place. The metal rings (around the oxygen outlet port) are not rusted.
• Connection Ports: The oxygen outlet nozzle (metal tip) is seen in the visual as intact and not bent.

Electronic and Battery Status

The fact that the device’s screen is on in the visuals proves that the electronic circuits and main board are actively working. It is understood from the accessories that the device can receive power both directly via cable and through its battery system. No signs of swelling, deformation, or thermal damage (melting, etc.) have been observed on the outer plastics of the battery and charging station. The presence of an external charging station indicates that the user can manage spare batteries or charge another battery while using the device.

Potential Malfunction Risk

The product appears visually very clean and well-maintained. No “Error” or warning codes have been displayed on the screen (only time information is present). No risky situations such as wear or exposed copper wires have been observed at cable connection points or adapter inputs. Based on its physical condition, there is no immediate indication of a malfunction risk.

Summary Evaluation

The analyzed PM-KN03T model portable oxygen concentrator is a complete package with a full accessory set (bag, car charger, external charging dock). The 1174 hours of usage indicate that the device has been used for a certain period but is far from completing its lifespan. With its physically undeformed casing and functional screen, the device is in high condition according to second-hand medical device standards.