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ECG-2303G Device

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ECG-2303G
The ECG‑2303G is a portable 12‑lead three‑channel electrocardiograph. It features a 5‑inch LCD screen, 80 mm thermal printing and storage capacity for 250 patient records. Supporting AC‑DC dual‑power supply and CF‑type defibrillation‑proof protection, it captures, displays and records surface ECG signals from adults, adolescents and pediatric patients. Equipped with a USB interface, the device is for trained medical professionals in medical institutions only, and its results are for clinical reference solely.
Country of Origin: 
Guangzhou

 Description

 
 

 

Portable, Accurate & Reliable Acquisition

 

Weighing 1.7 kg, ECG‑2303G has an integrated carry handle and built-in rechargeable battery for flexible use in exam rooms, bedside rounds and mobile screening. Reliable signal specs: CMRR ≥120 dB (AC filter); 50/60 Hz AC, 25/45 Hz EMG & ADS baseline-drift filtering suppress power, muscle and drift interference. Synchronous 12-lead sampling up to 4000 Hz/channel; noise <30 µVp‑p; pacing pulse detection 2–250 mV. Type CF applied part with defibrillation protection, ≥50 MΩ input impedance and <10 µA patient leakage current for clinical safety.

 
 

Four Working Modes, Streamlined Workflow

Manual, Auto (Review and real‑time), R‑R rhythm and Store modes cover routine 12‑lead recording, long‑lead rhythm observation and pure data archiving. In Auto mode, the lead set switches automatically, sensitivity and baseline position self‑adjust, and a standard report prints within 10–12 seconds. R‑R mode supports up to 60 seconds of continuous rhythm recording—so clinicians can focus on patient care, not device operation.

 
 
 

Data Management & System Connectivity

Up to 250 patient cases are stored on board with on‑screen review, edit and delete. An optional SD card extends storage, and a barcode scanner can be attached via the UART port for fast patient‑ID entry. Through the optional USB Host port, ECG files can be exported to a FAT32 U‑disk, printed on A4 paper via a USB printer (HP PCL5), or uploaded to a PC‑based ECG management system—fitting naturally into the hospitals digital cardiology workflow.

 Features

  • 5‑inch color LCD (800 × 480) with 12‑lead synchronous real‑time waveform display, 4 color themes and 5‑level backlight.
  • Standard 12‑lead synchronous acquisition; switchable WILSON and CABERA lead arrangements.
  • Four working modes: Manual, Auto (Review & real‑time), R‑R rhythm and Store.
  • Built‑in 80 mm thermal dot‑matrix printer; report formats 1ch+, 3ch, 3ch+; paper speeds 6.25 / 12.5 / 25 / 50 mm/s.
  • Multi‑stage filtering — AC 50/60 Hz, EMG 25/45 Hz, ADS baseline drift — plus stylus locally‑bold printing that simulates hot‑pen traces.
  • 250 on‑board patient cases with playback, edit, delete and one‑key USB export; optional SD card expansion.
  • 7.4 V / 2200 mAh Li‑ion battery for around 8 hours of continuous operation; seamless switchover to battery on AC outage.
  • Lightweight carry‑handle design — 260 × 220 × 58 mm, 1.7 kg — for easy transport between wards and clinics.
  • Full patient‑information entry (ID, name, gender, age, height, weight, BP, hospital); optional barcode scanner for fast ID input.
  • Optional ECG auxiliary analysis pops up automatically after printing for clinician review; configurable auto power‑off (5–50 min).

 Specifications

ECG

ParameterSpecification
Lead SystemStandard 12 leads (I, II, Ⅲ, aVR, aVL, aVF, V1–V6), synchronous acquisition
Lead ArrangementWILSON / CABERA, switchable
Heart Rate Range30 – 300 bpm (±1 bpm)
Sensitivity2.5 / 5 / 10 / 20 / 40 mm/mV (±3 %), Auto
Paper Speed6.25 / 12.5 / 25 / 50 mm/s (±3 %)
CMRR≥ 120 dB (with AC filter)
Input Impedance≥ 50 MΩ
Input Dynamic Range±5 mVp‑p; DC bias tolerance ≥ ±620 mV
System Noise< 30 µVp‑p
Calibration Voltage1 mV ± 5 %
FiltersAC 50 / 60 Hz / Off; EMG 25 / 45 Hz / Off; ADS baseline‑drift suppression
Pacing Pulse DetectionAmplitude 2 – 250 mV; width 0.1 – 2.0 ms
Patient Leakage Current< 10 µA
Applied PartType CF, defibrillation‑proof, floating input
Sampling Rate4000 Hz / channel

Display

ParameterSpecification
Screen5‑inch color TFT LCD
Resolution800 × 480 pixels
On‑Screen Information12‑lead synchronous waveform, HR, filters, speed, sensitivity, working mode, date/time, battery, lead‑off alarm, patient ID/name/gender/age

Recorder

ParameterSpecification
Recording MethodThermal dot‑matrix printing
Recording Format1ch+, 3ch, 3ch+
Recording Paper80 mm × 20 m roll thermal paper

Storage & Communication

ParameterSpecification
Internal Storage250 patient cases (optional SD card expansion)
USB Host (Optional)USB 2.0 — U‑disk export (FAT32), USB printer (HP PCL5), PC ECG management software
UART (RJ11)Barcode scanner; real‑time ECG output

Power

ParameterSpecification
AC Mains100 -- 240 V~ (±10 %), 50 / 60 Hz (±1 Hz), 60 VA
Battery7.4 V / 2200 mAh rechargeable Li‑ion; ~8 h continuous operation; ≥ 500 charge cycles
Auto Power‑off5 -- 50 min configurable

Physical & Environmental

ParameterSpecification
Dimensions260 × 220 × 58 mm (W × D × H)
Weight1.7 kg
Operating Temperature+5 °C -- +40 °C
Operating Humidity25 % -- 80 % (non‑condensing)
Atmospheric Pressure700 -- 1060 hPa
EMCCISPR 11, Group 1, Class A

 Clinical Applications

Featuring 12-lead synchronous acquisition, lightweight portable design and auto-report function, this ECG device adapts to hospital cardiology, emergency departments, community clinics, physical examination centers and ward bedside mobile rounds efficiently. 

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