Secondhand Respirox SZ-5AW 5L/min Oxygen Concentrator

Objective AI Report

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Report date: 02.09.2025

Respirox SZ-5AW Oxygen Concentrator Analysis Report

Overview and Product Description

The device shown in the images is a Respirox brand SZ-5AW model oxygen concentrator. The primary function of the device is to provide concentrated oxygen for the user’s respiration by separating oxygen from the ambient air. The “Oxygen outlet” and “Nebulizing interface” ports on it indicate that the device can be used for both oxygen therapy and medication administration with a nebulizer. The images show a total of one unit, consisting of a main device and a transparent humidifier reservoir attached to it.

Physical Condition and Deformity

The device is generally observed to be in used condition. While no general yellowing or discoloration is visible on its white casing, there are light dirt and small scratches in various places. Some sections of the technical information label on the back surface of the device show peeling and wear. Aside from this, no major cracks, dents, or breaks were detected on the casing.

Mechanical and Electronic Components

The mechanical components of the device are generally in good condition. The “Flowmeter” (flow meter) and its rotary knob, located on the front panel and used to adjust the flow rate, appear physically intact. The power button, timer setting buttons, and digital display on the upper part of the device have no physical damage. However, since the device is not in working condition, no comment can be made regarding the functionality of the digital display and warning lights. Although a sequence of numbers, appearing as “1115”, can be discerned on the screen, it is not certain whether this value indicates the operating hours, as the device is turned off.

Accessory and Equipment Condition

In the image, a transparent humidifier reservoir integrated into the front section of the device is visible. No external accessories such as a power cable, oxygen cannula, or nebulizer set are present apart from this reservoir. The oxygen outlet port and nebulizer interface of the device are in place with their covers, and no physical damage is observed.

Technical Label Information

The legible technical information on the device’s rear label is as follows:

• Model No: SZ-5AW
• Serial Number (SN): SZ2019100039
• Power Supply: ~220V ± 22V, 50Hz ± 1Hz
• Input Power: 500VA
• Oxygen Purity: 93±3% at flow rates between 0.5~5L/min
• Weight: 24kgs
• Output Pressure: 20kPa-50kPa
• Dimensions: H55.6cm x W28.5 x D47cm
• CE Mark: CE 0123
• Manufacturing Date: The symbol on the label indicates 10/2019.
• Origin: Made in P.R.C

Potential Risk Assessment

According to the examination carried out through the images, no critical damage such as breaks, cracks, or crushed cables that would directly impede the device’s operation has been detected. Deformations like the peeling on the rear label are considered merely cosmetic defects. The overall physical condition of the device is within normal limits for a regularly used device and does not show any significant signs of malfunction risk.