The ECG-5503G is part of the 5503 Series electrocardiograph range. It shares the same configuration and appearance as the ECG-5503B, and is supplied with a 7 inch 800 x 480 colour touch LCD for fast operation and data entry. With a small size, light weight and good configuration, it is a very reliable three-channel electrocardiograph (ECG machine) that helps clinicians make fast and accurate ECG diagnosis across a wide range of medical institutions.

Key specifications

- Standard 12 leads: I, II, III, aVR, aVL, aVF, V1 to V6

- 12-lead synchronous acquisition

- Sampling rate: 32000 Hz

- Working modes: MAN, AUTO, R-R, STOR

- AC filter: 50 Hz / 60 Hz / Off; EMG filter: 25 Hz / 45 Hz / Off

- CMRR: >= 120 dB (with AC filter)

- Input circuit: floating, protected against defibrillator effect

- Input impedance: >= 2.5 MOhm (10 Hz)

- Patient current leakage: < 10 uA

- Frequency response: 0.05-150 Hz (-3 dB)

- Calibrating voltage: 1 mV +/- 5%

- Sensitivity: 2.5, 5, 10, 20, 40 mm/mV (+/- 3%), Auto

- Paper feeding speed: 6.25, 12.5, 25, 50 mm/s (+/- 3%)

- Accuracy of data: < +/- 5% or < +/- 40 uV

- Time constant: >= 3.2 s; AD conversion: 12 bits

- Inter-channel interference: < 2%; noise level: < 30 uVp-p

- HR detection range: 30-300 BPM (+/- 1 BPM)

- Pacing pulse identification: amplitude 2-250 mV, width 0.1-2.0 ms, sampling rate 4000 Hz/channel

- Recorder: thermal dot matrix; paper 80 mm x 20 m roll

- Communication interface: USB, UART

- AC power supply: 110-230 V (+/- 10%), 50/60 Hz (+/- 1 Hz), 60 VA

- 7 inch 800 x 480 colour touch LCD for fast operation and information input

- Recording formats: 1ch x 12, 3ch x 4, 3ch x 4 + R, and 1-minute rhythm lead record

- Patient cases storage: 250 cases (internal SD card optional)

- Rechargeable lithium battery: 14.4 V / 2200 mAh, approx. 9 hours continuous operation; approx. 2.5 hours to full charge

- Dimensions and weight: 214 mm x 276 mm x 63 mm, 1.8 kg

- CE marked

Patient information and file management: easy input and editing of patient information, recording name, ID, gender, age, height, weight, blood pressure and hospital name; stores, replays and edits 250 ECG cases on the internal memory card; patient ECG reports can be transferred to an external USB flash disk (optional).

Display and keypad: an 800 x 480 graphic 7 inch colour touch LCD displays detailed ECG waveform and working status, including lead waveform, patient information, sensitivity, paper speed, filter, date and time, heart rate, battery level and error messages, with one-key operation to support fast ECG examination.

Analysis: excellent auto-interpretation function can analyse over 200 types of abnormal ECG for reference, based on the Minnesota Code analysis database.

Optional functions: PC ECG management software for managing ECG data on a computer, including acquisition of real-time ECG, editing, importing, saving, printing and transferring of ECG reports, and VCG examination; USB data storage; and barcode scanner connection for scanning the patient ID.

Typical applications: hospital cardiology and internal medicine departments, outpatient and community clinics, emergency and pre-operative ECG assessment, health screening programmes and clinical teaching. The touch LCD speeds up patient data entry during high-throughput screening, while the compact 1.8 kg housing and long battery runtime suit bedside rounds, ward trolley use and mobile diagnostics. The same 12-lead acquisition front end supports both adult and paediatric ECG diagnosis.

Standard package (included with each unit):

- ECG machine: 1 unit

- Patient cable: 1 pc.

- Limb electrodes (4 pcs./set): 1 set

- Chest electrodes (6 pcs./set): 1 set

- Power cable: 1 set

- Grounding cable: 1 pc.

- Paper axis: 1 pc.

- Thermal paper (80 mm x 20 m): 1 pc.

- Fuse: 2 pcs.

- User manual: 1 pc.

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