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

Objective AI Report

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Report date: 05.02.2026

Respirox SZ-5BW Oxygen Concentrator Visual Analysis Report

Device Identification and Brand/Model Information

The analyzed visual displays a medical device, an oxygen concentrator. The brand logo and model indications on the device’s front panel are clear and legible. As a result of the examination, the brand was identified as “Respirox” and the model number as “SZ-5BW“. The front of the device features the brand’s registered logo, and immediately below it, the “Oxygen concentrator” (Oksijen Konsantratörü) phrase along with the model code.

Physical Condition and Cosmetic Examination

The device’s outer casing consists of a metallic grey front panel and dark beige/grey side body colors. The following details are noticeable in the visual examination:

• Case Condition: No cracks, deep scratches, or significant physical damage were detected on the device’s plastic casing. Its overall appearance is clean and its integrity is intact.
• Control Panel: The buttons and screen on the black control panel appear intact. The markings on the buttons are not erased and maintain their clarity.
• Cleanliness: The device generally appears clean; however, it should be noted that there might be slight signs of use on the water bottle (due to reflections from transparency). No significant dirt or rust is visible on its outer surface.

Technical Specifications and Hardware Analysis

The technical specifications and components identified from the visual are as follows:

• Flow Meter: An analog oxygen flow indicator (Oxygen flowrate) is vertically positioned on the right front side of the device. The scale shows between 0 and 5 L/min (liters per minute), visually proving that the device can provide up to 5 liters of oxygen support per minute. The adjustment knob is located at the top of the flow meter.
• Humidifier (Water) Bottle: A transparent plastic water bottle (humidifier) is integrated below the oxygen outlet. Although it cannot be definitively determined from the visual whether there is water in the bottle, the bottle appears empty. The bottle’s position is below the “Oxygen outlet” (Oksijen çıkışı).
• Nebulizer Interface: Immediately above the flow meter, there is a metal cap/outlet labeled “Nebulizing interface”. This indicates that the device also supports medication administration (nebulization).

Control Interface and Screen Analysis

The device’s user interface is concentrated on the upper black panel:

• Display: An LCD information display is located in the upper middle part. No operating hours or warning messages are shown on the screen, as the device is off or the screen is in sleep mode.
• Buttons: Three main control buttons are located below the display:
  • Left: “Run/Stop” and power symbol.
  • Middle: “Timing +” (Timer increase) button.
  • Right: “Timing -” (Timer decrease) button.
• Status LEDs: On the right side of the display, there are four vertically arranged warning lights (LEDs) with symbols next to them: “Power”, “I/O”, “Exclamation Mark” (General fault warning), and “Bell” (Alarm) symbols are visible.

Originality and Reliability

The print quality of the logos on the device, text alignments, and the terminology of English labels (such as “Oxygen flowrate”, “Nebulizing interface”) comply with industrial standards. The material quality and craftsmanship of the device’s joints indicate that it is an original Respirox product. No visual defects suggesting it is a counterfeit or replica were found.

Areas of Use and Evaluation

The product in the visual is a medical oxygen generation device suitable for home or clinical use. It is specifically designed for individuals suffering from respiratory failure, COPD patients, or those requiring supplemental oxygen support. The 5 L/min indication in the visual shows that the product provides continuous flow up to this capacity. Furthermore, thanks to the nebulizer outlet it features, it allows patients to administer their liquid medications by atomization.

Accessories and Quantity Information

The visual shows 1 unit of the Respirox SZ-5BW device. Integrated with the device is 1 water bottle (humidifier bottle). The black cable faintly visible from the back of the device is assessed to be the power cable; however, external accessories such as a cannula (nasal tubing), mask, or spare filters are not present in the visual.

Potential Malfunction Risk

In the visual analysis, no signs of malfunction such as breakage, cracks, corrosion, oxidation, or cable deformation that would affect the device’s functionality were detected. The connection point of the humidifier water bottle and the flow meter glass appear intact. Based on its physical appearance, the device is observed to be clean and well-maintained, posing no mechanical or structural risk. However, the operational status of the electronic components cannot be confirmed solely through visual inspection.