Secondhand Madsen Zodiac Tympanometer

Objective AI Report

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Report date: 17.12.2025

MADSEN Zodiac Middle Ear Analyzer (Tympanometer) Analysis Report

Device Identification

The analyzed images include a medical diagnostic device and an accessory set assessed to belong to this device. The main product in the image is a desktop audiological test device. The second image shows connection cables and measurement probe equipment belonging to the device, contained within a clear plastic bag.

Brand and Model

On the front panel of the device, clearly and distinctly above the screen, the inscription MADSEN Zodiac is present. In the bottom right corner of the control panel, the otometrics brand, along with the manufacturer’s logo, is visible. Based on this data, the product’s brand has been 100% definitively identified as Otometrics (GN Otometrics), and its model as MADSEN Zodiac. The device is a tympanometry (middle ear analysis) device used in audiology clinics.

Areas of Use

The MADSEN Zodiac is an advanced tympanometer device used in ear, nose, and throat (ENT) polyclinics and audiology centers. Its primary uses include:

• Measurement of middle ear pressure (Tympanometry).
• Performance of acoustic reflex tests (Ipsi/Contra).
• Assisting in the differentiation of types of hearing loss (conductive or sensorineural).
• Evaluation of Eustachian tube functions.

Originality

The print quality of the “MADSEN” and “otometrics” logos on the product, the keypad layout, the font used, and the industrial design of the device (large blue rotary knob, button arrangement) confirm that the product is an original MADSEN Zodiac device. No signs of poor craftsmanship suggesting it is a third-party or replica product are observed.

Physical Deformations and Cosmetic Condition

Upon detailed visual examination of the device’s outer casing, the following points have been identified:

• Casing: No deep scratches, cracks, or breaks are observed on the white/cream-colored plastic casing. There might be a very slight dullness in the casing’s color due to age, but no prominent yellowing or discoloration is noticeable.
• Control Panel: The inscriptions on the buttons (Tymp, Reflex, Ipsi, Contra, Hz values, etc.) are not erased, remaining clear and readable.
• Large Blue Knob: The characteristic large blue adjustment knob on the left side of the device appears physically sound and is firmly in place.
• Screen: The LCD screen is off. No physical cracks or fractures have been detected on the screen surface; marks on the screen appear to be due to environmental reflections and slight dust accumulation.

Mechanical and Electronic Components

In light of the data obtained from the images:

• Buttons: The menu navigation buttons, frequency selection buttons (0.5k, 1k, 2k, 4k), and mode selection buttons (Seq, Tymp, Ipsi, Contra, Noise) are physically intact. There are no missing or detached buttons.
• Sockets: The cable harnesses in the second image indicate that the device’s probe and connection ports are used. However, as the rear panel of the device is not visible, there is no visual data regarding the condition of the input ports.
• Electronic Condition: Since the device’s screen is off (black), whether it is in working condition, has pixel errors, or has a software issue cannot be determined in this analysis.

Accessories and Content Information

The product group subject to analysis consists of two main parts: the main unit and the accessory bag. When the contents of the bag in the second image are detailed:

• Cables and Probe Set: Inside the clear zip-lock bag, tangled gray and black cables are present.
• Connectors: Multi-pin (likely DIN type) metal/gray-tipped connectors, which provide connection to the device, are visible.
• Probe Unit: Parts with blue details indicate components of the tympanometry measurement probe’s shoulder strap or probe body.

Although the exact integrity of the cables (whether there are breaks) cannot be clearly understood due to the mixed nature of the accessory bag, it is assessed that the device’s basic probe set (or part of it) is included in this package.

General Condition and Potential Risks

The product appears to be a second-hand and used medical device. However, its general condition is classified as “Clean” and “Well-Preserved”.

• Potential Risk: The device’s probe cables are delicate hardware. The tight packaging of the cables in the second image might suggest a potential crushing risk to the internal resistance or fiber optic parts (if any) of the cables, but no visible cable breaks or external insulation tears have been observed.
• Maintenance Requirement: As the device is a medical measuring instrument, it is likely to require calibration (verification) before being put into use.

Quantity Information

The images show 1 unit of the MADSEN Zodiac main device and 1 bag full of accessory cables/equipment.