・With 3/5-lead ECG, 1 breathing, 2 body temperature monitoring functions
・Patient model: adults, children and newborns
・Unique ECG analysis function, verified by MIT, AHA database, and passed EC57 standardized test
・The measurement results include heart rate, body temperature, respiration and ST segment offset values   of I, II, and V1 channels
・Provide 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 ECG waveform and respiratory waveform
・Heart rate calculation channel: Heart rate I, II and V1 can be selected as the heart rate calculation channel or set as an independent choice
・Lead setting: Lead I, Lead II, Lead AVL, Lead AVR, Lead AVF can be selected as the signal of channel I and channel II
・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
                          5Lead:I ,II,III,AVR,AVL,AVF,V1

TEMP

Range                 0-50°C
Accuracy             ±0.1°C
Resolution           0.1°C

HR

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

AWRR

Range                      0-120rpm
Basic resistance         500-2000Ω
Varistor value            0.2Ω~3.0Ω

Electical Specification

Power supply                     DC.12V±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

The board dimensions are given in millimeters.

Power and Communication Interface

Power and communication interface socket pin definition diagram (note: 4 and 6 pins are the same input, 3 and 5 pins are the same input), between the sockets Distance 2.54mm:

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

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: 

Body temperature probe interface 

The temperature probe interface J8 is defined as follows, and the socket spacing is 2.54mm:

MECG3 3 5Leads ECG_05.pdf