The ECG-3303D is a reliable and classical three-channel electrocardiograph (ECG machine) that helps clinicians make fast and accurate ECG diagnosis. It is widely used across hospitals, clinics, emergency departments and outreach screening programmes. Its friendly configuration and practical design give users a very good operating experience.

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 with soft silicone keyboard

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

- Patient cases storage: 400 cases (internal SD card optional)

- Rechargeable lithium battery: 7.4 V / 2200 mAh, approx. 9 hours continuous operation; approx. 2.5 hours to full charge

- Dimensions and weight: 265 mm x 228 mm x 68 mm, 1.6 kg

- Fuse specification: TZAH/250W, 5 x 20

Patient information and file management: records detailed patient data including name, ID, gender, age, height, weight, blood pressure and hospital name; stores, replays and edits 400 ECG cases on the internal memory card; patient ECG reports can be transferred to an external USB flash disk.

Display and keypad: an 800 x 480 graphic 7 inch colour LCD shows 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. A touch screen plus soft silicone keyboard support one-key operation for 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 PC ECG management software: manage ECG data on a computer, including acquisition of real-time ECG, editing, importing, saving, printing and transferring ECG reports, plus VCG examination. Optional barcode scanner connection allows scanning of the patient ID.

Typical applications: hospital cardiology and internal medicine departments, outpatient clinics, emergency and pre-operative assessment, community and mobile health screening, and clinical teaching. The lightweight 1.6 kg housing and long battery runtime make the ECG-3303D well suited to bedside rounds, ward trolley use and mobile diagnostics, while adult and paediatric diagnosis is supported by the same 12-lead acquisition front end.

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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