・With 3-lead ECG monitoring function
・Patient model: adult, pediatric and newborn
・26 arrhythmia analysis functions, verified by MIT and AHA databases, and passed EC57 standardized tests
・Provides four measurement modes: diagnosis, monitoring, HARDEST and surgery mode
・Diagnosis mode: filter range is 0.05hz~130hz
・ Monitoring mode: filter range is 0.5hz~40hz
・ HARDEST mode: the filtering range is 5hz~20hz
・ Surgery mode: filter range is 1hz~25hz
・ECG calibration: input 1mv standard voltage to record the waveform amplitude
・Gain setting: adjust the amplitude of the ECG waveform
・Notch mode: 50Hz, 60Hz, 50/60Hz and close notch mode commands can be selected

ECG

Range                         0.15Mv-5.5mV
Accuracy                      Undefined
Resolution                    2.36uV/LSB
lead type                      3 Lead:I or II or III

HR

Range                          15~300bpm
Accuracy                      ±1bpm
Resolution                    1bpm

Electical Specification

Power supply                 DC 5V±5%
Power consumption        ≤3W
Communication              TTL,USART
Temperature                  Operating 0°C~ 70°C     
                                    Storage  -40°C~ 70°C

Compliance

Standard            IEC 60601-2-27: 2011
                         AAMI EC57:2012/(R)2020

Database	Sensitivity of QRS wave detection/ Q Se	Positive predictive degree of QRS complex detection/Q +P	Sensitivity of room early detection/ V Se	Early detection accuracy rate /V +P	False positive rate of early detection /V FPR
MIT	99.60%	99.72%	92.0%	92.5%	0.52%
AHA	99.66%	99.91%	90.0%	89.31%	0.638%

The board dimensions are given in millimeters.

Power and Communication Interface

Note 1: TXD is the data sent by the ECG module to the host, in TTL level mode. 

ECG lead input interface

The lead input interface J10 is defined as follows, and the socket spacing is 2.54mm: 

A schematic diagram of the location of the lead electrodes is shown below:

Power and communication interface socket J4 pins are defined as follows:

MECG1 Single Leads ECG_06.pdf