Secondhand Resmed S9 Escape CPAP Device with Humidifier

Objective AI Report

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Report date: 02.02.2026

ResMed S9 AutoSet and H5i Humidifier Sleep Apnea Device Analysis Report

Device Identification

The products in the visuals are a PAP (Positive Airway Pressure) device set used in the treatment of sleep apnea. The system consists of the combination of two main modules (control unit and humidifier). Additionally, its original carrying case and connection accessories, which enable the system’s transport, are available. The device features a digital screen interface that monitors treatment data.

Brand and Model Information

As a result of a detailed visual inspection, the brand and model information of the product have been definitively identified:

• Brand: ResMed
• Main Device Model: S9 AutoSet (Confirmed by the “AutoSet” text located above the “Start/Stop” button on the front face of the device and the clear “S9” inscription on the device’s rear label.)
• Humidifier Unit Model: H5i (The warning label inside the carrying case stating “Ensure H5i water tub is EMPTY” and the physical structure of the unit prove this model is the H5i Heated Humidifier.)

Label Information and Technical Details

The following technical data and identification information have been read from the label on the rear of the device (S9 AutoSet):

• Serial Number (SN): 23142084718
• Reference Number (REF): 36005A
• Lot Number (LOT): 977143
• Input Power: DC 24V, 1.25A (System 3.75A)
• Place of Manufacture: Made in Singapore
• Protection Class: IP21 (Protection against vertically falling water drops and solid objects)

Accessories and Package Contents

The breakdown and condition of the accessories presented as a set in the visuals are as follows:

• Original Carrying Case: A black, compartmentalized, and protective original case with a metal “ResMed” logo plate on the front is present. Zippers appear intact.
• Breathing Tube: A grey, spiral-structured breathing tube is located in the mesh bottom compartment of the bag.
• Headgear/Mask Strap: Next to the tube, a textile headgear or mask strap with blue and grey details is visible.
• Power Adapter and Cable: A large, black power adapter (brick type) compatible with the device and a power cable for the outlet are present.
• User Manuals: The device’s booklets and documents are visible in the mesh pocket inside the top flap of the carrying case.

Originality Status

The logo prints on the device’s casing, the font characteristics on the rear label, and the quality of the carrying case’s stitching and logo indicate that the product is an original ResMed production. There are no signs of it being an aftermarket or counterfeit product.

Physical Condition and Cosmetic Inspection

The general cosmetic condition of the product can be described as “clean and well-preserved”:

• Casing: No prominent deep scratches, cracks, or breaks have been detected on the grey plastic body. The S9 main unit and H5i humidifier unit are integrated perfectly.
• Screen and Panel: No wear or fading is observed on the LCD screen and the control buttons (Power button, adjustment dial) next to it on the main unit. The inscriptions on the buttons (AutoSet, EPR) are clear.
• Humidifier Chamber: The water chamber of the H5i unit on the right side is visible through its transparent window. No cracks are apparent in the window.
• Rear Panel: The air filter cover is in place. There are no broken plastic grilles.

Areas of Use

The ResMed S9 AutoSet is an APAP (Automatic Positive Airway Pressure) device. Its primary area of use is the treatment of “Obstructive Sleep Apnea” (OSA). It applies continuous positive pressure to the airway to prevent the patient’s breathing from stopping during sleep. It is suitable for home care patients and individuals diagnosed with sleep disorders.

Mechanical and Electronic Evaluation

Based on visual inspection:

• The electronic screen is in the off position, thus it is unknown whether there are any pixel defects.
• No damage such as corrosion, rust, or bending is visible on the power input sockets and cable connectors.
• The hinges and locking mechanism (latch) of the humidifier lid are in place and appear sturdy.
• The spongy texture in the air filter section is visible from the outside; while excessive contamination (dark blackening when viewed from the outside) cannot be clearly discerned in the visual, the cover is intact.

Potential Fault Risk

No physical damage (breakage, crack, liquid contact trace) is observed on the device. There is no peeling or discontinuity in the insulation of the cables. In light of visual data, no immediate fault risk is foreseen. However, in such devices, the gaskets of the humidifier water chamber and filters are consumables and may need to be replaced over time. Although the product has been used, its visual condition is reassuring.

Quantity Information

The total set consists of 1 main body (S9 and H5i combined), 1 power adapter set (adapter + cable), 1 carrying case, 1 hose, and a set of in-bag documents.