Secondhand Philips Respironics Dorma 500 501V AUTOCPAP Device with Humidifier

Objective AI Report

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Report date: 31.10.2025

Philips Respironics Dorma 500 Auto CPAP Device Analysis Report

General Assessment and Product Description

The visuals show a Philips Respironics Dorma 500 Auto model CPAP (Continuous Positive Airway Pressure) device and its accessories. The product is designed for the treatment of respiratory disorders such as sleep apnea. Upon examining the device’s general appearance and label information, it is understood to be an original product. The logo and text have clear and high-quality printing.

Package Contents and Quantity Information

The products and accessories shown in the visuals are listed below. A total of 1 main device and its accompanying standard accessories are visible.

• Main Device: 1 unit Philips Respironics Dorma 500 Auto.
• Humidifier Unit: 1 unit “System one htd humid, INTL” model humidifier integrated into the main device.
• Breathing Tube: 1 unit white, spiral structured breathing circuit hose.
• Mask: 1 unit mask with headgear attached, partially in its original packaging.
• Power Adapter and Cable: 1 unit Respironics brand power adapter and electric cable for plugging into an outlet.
• Carrying Bag: 1 unit black, zippered, and with shoulder strap carrying bag.
• Documents: A few printed documents whose content is unreadable.

Physical Condition and Cosmetic Assessment

The general condition of the device appears used but well-maintained. No significant scratches, cracks, or discoloration have been observed on the dark grey casing of the main unit and the humidifier. The breathing tube and the plastic parts of the mask appear clean and undamaged. However, the fabric surface of the carrying bag shows some white stains and scuff marks. The overall condition of the product is good.

Mechanical and Electronic Component Examination

The control buttons (on/off, directional keys) located on the front panel of the device are physically intact. No visible issues are present in the air outlet port and the humidifier connection mechanism. The power adapter, cables, and socket inputs are in good physical condition; there are no signs of crushing, wear, or bending. Since the device’s screen is off, no comment can be made regarding its electronic functionality; there are no cracks or deep scratches on the screen.

Label Information and Technical Details

The information read from the labels on the back of the device and the humidifier unit is detailed below. According to this information, the main device was manufactured in late 2015.

• Dorma 500 Auto Main Device Information:
  • Brand: Respironics Inc.
  • Model: Dorma 500 auto, INTL
  • Serial Number (S/N): P142522157E39
  • REF Code: 501V
  • Manufacturing Date: 2015-10-29
  • Technical Specifications: 12V, 5.0-6.67 A
  • Protection Class: IP22
  • Place of Manufacture: Made in USA
• System One Humidifier Unit Information:
  • Brand: Respironics Inc.
  • Model: system one htd humid, INTL
  • Serial Number (S/N): P142507086E14
  • REF Code: INH561LD
  • Manufacturing Date: 2015-08-23
  • Protection Class: IP22
  • Place of Manufacture: Made in USA

Potential Risk Assessment

As a result of visual analyses, no obvious malfunction or damage that would directly affect the device’s operation has been detected. The casing integrity is complete, there is no wear on the cables, and the accessories are in good physical condition. The general condition of the device indicates that it can operate without issues under regular use conditions. No alarming situation has been observed other than the cosmetic stains on the carrying bag.