YJ-ECG12G Hospital Used ECG, EKG Machine

Introduction of ECG machine YJ-ECG12G: YJ-ECG12G is an electrocardiograph collecting 12-lead ECG signal simultaneously and printing ECG waveform with thermal printing system. Which features in, recording and displaying ECG waveform with manual or auto mode, measuring and diagnosing ECG waveform parameters automatically, prompting for “Lead off” and “Lack of paper”, optional interface languages (Chinese/English/Spanish ect), selecting rhythm lead, printing the trend chart and histogram of P-R interval, case database management.

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Product Details

Specification of the ECG machine YJ-ECG12G:

The parameter of ECG machine YJ-ECG12G

Working environment

Temperature: 5℃~40℃
Relative humidity: 20%~80%(non-condensing)
Atmospheric pressure: 700hPa~1060hPa

Transport and storage environment

Temperature: -40℃~+55℃
Relative humidity: ≤95%
Atmospheric pressure: 500hPa~1060hP

Input mode

floating and defibrillation protection

Frequency response

0.05Hz ~ 150Hz(-3dB~+0.4dB)


>60dB, >100dB(add filter)

Time constant

> 3.2s

Patient leak current


Calibration voltage



2.5, 5, 10, 20, 40 mm/mV &plusmn;5 %, standard sensitivity: 10mm/mV&plusmn;2%

Noise level


Input circuit current


Input impedance


Sampling accuracy


Safety classification

class Ⅰ, type CF and defibrillation-proof applied part

Recording mode

thermal printing system

Paper size


Sampling frequency


Polarizing voltage


EMG interference filter

25Hz/35Hz (-3dB)

AC filter


Paper speed


Auto record: 25, 50 mm/s, &plusmn;5%
Rhythm record: 25, 50 mm/s, &plusmn;5%
Manual record: 5, 6.25, 10, 12.5, 25, 50 mm/s, &plusmn;5%

Auto record

set record according to auto record format and mode, automatically switching leads, measuring and analyzing.

Rhythm record

set record according to rhythm record format and mode, automatically measuring and analyzing.

Manual record

set record according to record format, manually switching leads.

Measurement parameters

HR, P-R interval, P Duration, QRS Duration, T Duration, Q-T interval, Q-Tc, P Axis, QRS Axis, T Axis, R(V5), S(V1), R(V5)+S(V1).

Power supply

AC: 100V~240V(50/60Hz)
DC: 7.4V/2000mAh rechargeable lithium battery

Fuse specification

two AC time lag fuse(&phi;5&times;20mm), T1.6AL250V

Waterproof degree


Working mode

continuous working




about 3.2Kg


A lead cable, A limb electrode, A chest electrode, A thermal recording paper, A power cord, An earth wire, A user manual


ECG-Sync software+USB cable, Disposable ECG electrode, Bag, Conductive paste, USB cable, 3G card, Wi-Fi card, Remote Operation Guide


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