Three Channel ECG
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Model: ECG-603A


Standard 12 leads, simultaneous acquisition

Input circuit

Isolated input circuit with protection against pacemaker and defibrillator

Input impedance


Input circuit current


Calibration voltage


Polarizing voltage



5, 10, 20mm/mV, and automatic gain control


AC: 50Hz (-20dB); EMG: 35-45Hz (-3dB);
DFT: <=0.45Hz

Time constant

3.2s (0, +20%)

Noise level


Frequency response




Sampling rate


A/D converter

12 bit

Recording paper

Roll: 63mm*20m (30m)
Zip fold: 63mm*75mm*20m

Operation Mode



High resolution thermal array printer

Baseline Control

Automatic elimination of baseline drift
Automatic adjustment of baseline position

Rhythm lead

Selectable among standard 12 leads

DC input

10mm/v+/-5%; single ended input>=100ko
1V/mV+/-5%; single ended output>=100o

Safety level

Class I, Type CF

Power requirements

AC: 100-240V, 50/ 60Hz
DC: Built in charger and Li-ion battery
Supports continuous operation for more than



Net/Gross Weight



?Hided portable and light weight. 
?Designed with a high-resolution thermal printer to print out ECG waveform, annotation as well related parameters for diagnosis reference.
?Roll recording paper is 63mm in width and 30m in length.
?Simultaneously acquisition of 12 lead ECG data, IEC Class, type CE safety standard.
?Digital isolation technology is adopted to minimize time/temperature drift of components so as to promote adaptability of  the unit to circumstance.
?Digital filter for effecive inhibition of baseline drift, interference, as well automatic position of baseline
?Self-test upon powering on.
?Function of rhythm lead for observing abnormal ECG waveform & heart rate, Automatic measurement and interpretation of ECG waveform to relieve doctors from strain.
?Multiple print formats include 3-channel, 2-channel, 1-channel, and particularly the one that combines 3-channel (for leadl-aVF) and 2-channel (for V1-V6).
?AC/Rechargeable battery for supporting continuous examination when AC power supply is unavailable.
?For battery operation, ECG-603A is equipped with a charger & system for battery capacity  management and protection itself from excessive discharge.
?Lfilters: AC, HUM, DFT Real-time clock, real-time measurement and presenting of ECG parameter.
?Option: ECG software for net-work capability.
?8 Patients Save / Copy / Communication
?Large LCD to display 12 lead ECG waveform
?Chinese / English language
?Built in Rs232 interface (USB is optional)