Secondhand GE MAC 800 12 Channel ECG Device

Objective AI Report

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Report date: 24.12.2025

GE MAC 800 ECG Device Analysis Report

Device Identification

The product examined in the visuals is a portable electrocardiography (ECG) device used for medical diagnostic purposes. The device is a compact, portable medical hardware unit with an integrated screen, keypad, and built-in printer.

Brand and Model

Upon examining the logos, model number inscriptions, and design language on the device, it has been clearly and definitively determined that the manufacturer brand is GE (General Electric) and the model is MAC 800. The inscription “MAC 800” is clearly readable on both the front panel of the device and the printer unit cover.

Authenticity

The form of the GE logo on the device, the material quality, the craftsmanship of the keypad, the screen interface, and the placement of the labels conform to original production standards. No visual evidence suggesting the device is counterfeit or a replica has been found; the product appears to be an original GE healthcare equipment.

Areas of Use

The GE MAC 800 is a professional medical device used to record and analyze the electrical activity of patients’ hearts (ECG). It is suitable for use in hospitals, clinics, emergency departments, and private practices. The device in the visual shows an interface capable of performing 12-lead resting ECG measurements.

Quantity Information

In total, there is 1 unit of the main device (GE MAC 800 ECG Device) in the visuals.

Overall Condition

The device is in good visual condition. Its outer casing appears clean, and no significant signs of aging such as heavy wear marks or yellowing are noticeable. The device is displayed in an operational (powered on) state; screen brightness and colors are clear. It gives the impression of a well-maintained, second-hand device.

Physical Deformation

No cracks, deep scratches, dents, or broken parts have been detected on the device’s plastic casing. The symbols and inscriptions on the keypad are not faded and are clearly readable. No dead pixel clusters or cracks that would obstruct viewing are visible on the screen surface. The paper output tray and its cover on the left side appear intact.

Mechanical Components

The printer cover mechanism is closed and properly seated. Although the tactile feel of the buttons cannot be determined from the visual, they are all physically in place and aligned. The cover and cutting teeth of the paper feed tray on the left side appear visually intact.

Electronic Components and Screen Analysis

The device is in an electrically operational state. The screen and the data displayed on it have been analyzed as follows:

• Screen Status: The screen is active, displaying an ECG interface with a blue background. The backlight appears homogeneous.
• Error/Warning Messages: At the top of the screen, there is a “R L N F disconnected” warning. This indicates that the patient leads (Right, Left, Neutral, Foot) are not connected to the device or the patient. This condition does not mean the device is faulty, but merely indicates that the probe connection has not been made.
• Date and Time Error: The device screen shows the date “01.01.2010” and the time around “12:00”. This suggests that the device’s internal clock battery (CMOS/BIOS battery) might be depleted, or the date has reset to factory defaults due to being unpowered for an extended period. The date is not current.
• LED Indicators: Next to the power button, a green “Power/On” light and a green LED indicating battery/mains status are actively illuminated.

Battery Status

A plug/battery icon is visible in the upper right corner of the screen. The green battery/plug LED on the keypad is illuminated. This indicates that the device is currently receiving power or charging. No physical battery swelling or leakage is observed externally.

Accessories

The only “accessory” or consumable visible on the device is the thermal ECG paper installed in the printer tray. Patient leads (lead wire/ECG electrode cables), clips, or a power adapter are not externally present in the visuals. Since a detailed angle of the socket inputs (side or rear panel) is not provided, the condition of the ports could not be clearly analyzed.

Label Information

The labels read and noted on the device are as follows:

• Calibration Label: In the upper left frame of the screen, there is a green “BATİMET KALİBRASYON” label. The label includes the phrase “Validity: June/202x” (Likely 2024 or 2025, not entirely clear but indicates a history of periodic maintenance/calibration).
• Paper Output Information: On the thermal paper, there are inscriptions “Unconfirmed”, “0.16-150 Hz”, “50 Hz” (mains filter), “25x5x6_25”, and “82 bpm” (82 heartbeats per minute – could be a simulation or artifact).
• Warning Label: On the left inner side of the printer section, a standard safety warning is vertically placed, stating “CAUTION – Refer to equipment manual…” recommending consulting the user manual before connection.

Existing Faults and Potential Risks

In the visuals, there is no physical breakage that would prevent the device from operating, nor a critical error message like “System Error” on the screen. The only noticeable issue is the date showing the year 2010; this may require a simple date adjustment or replacement of the internal clock battery. The “Disconnected” warning is a normal condition since the patient leads are not connected, and is not a fault.

Size and Portability

The device has a compact structure suitable for desktop use, with a carrying handle (the hollow structure visible at the front bottom part) (estimated to be slightly larger than A4 paper size and in the form of a thick laptop).