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Nihon Kohden CardiofaxS ECG-2250 ECG Machine Used
About Nihon Kohden cardiofaxS ECG-2250 ECG machine
The device is an electrocardiogram machine, and the device is an electrocardiogram machine, which senses the tiny electromotive force generated when the heart is active through electrodes, selects sequential sensing such as limb induction and chest induction, collects, measures and analyzes the enlarged electrocardiogram data, and Through LCD display, recorder records and saves. ECG data and analysis results can be stored/read to memory and SD memory card (accessory), and can also be sent to other devices via wired or wireless LAN. In addition, the device can receive subject information, ECG files, etc. through the communication function. This unit is AC or battery powered and has an LCD display. The tiny electromotive force generated during the heart activity is sensed through the electrodes, and sequential sensing such as limb sensing and chest sensing is selected to collect, measure and analyze the amplified electrocardiogram data, and display it on a liquid crystal display, and record and save it with a recorder. ECG data and analysis results can be stored/read to memory and SD memory card (accessory), and can also be sent to other devices via wired or wireless LAN. In addition, the device can receive subject information, ECG files, etc. through the communication function. This unit is AC or battery powered and has an LCD display.
Working principle
The electrocardiogram signals derived from the human limbs and chest by the electrocardiogram electrodes are amplified by the built-in electrocardiogram amplifier, and then converted into analog to digital. The converted signal is filtered by an internal microcomputer to eliminate AC glitches, EMG and baseline wobble, and displayed on an LCD display. Next, the electrocardiogram analysis process, as shown in the flow chart, first measures the waveform, performs pattern classification, and then classifies into various manifestations according to the analysis criteria.
| ECG input | 12-lead synchronous acquisition, 10 electrodes |
| Lead selection | automatic or manual |
| Input | floating input |
| Input protection | Standard lead wire with built-in defibrillation protection circuit |
| Analog-to-Digital Conversion Accuracy | ≤1.25μV |
| input resistance | ≥50MΩ |
| Polarization resistance voltage | ≥±550mV |
| Common Mode Rejection Ratio | ≥105dB |
| Frequency response | 0.05Hz-150Hz (+0.4/-3dB) |
| Display Size | 7" |
| display resolution | 800*480 |
| Display the number of leads | 12 leads on the same screen |
| Recording paper width | 110mmx140mm origami |
| Number of records | 3, 3+1, 6 |
| Paper speed | 10, 12.5, 25, 50mm/S |
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