12 lead ecg machine

Technical specifications

Physical Characteristics                             

Size: 110(length)*60(wicth)*15(height)mm

Weight:100(including lithium battery)

Environment Transport and storage           

Temperature: -10℃~ +50℃

Relative Humidity: 10% ~ 95%

Atmospheric pressure: 50kPa ~ 106Kpa

Working environment                

Temperature: 5℃~40℃

Relative Humidity: 20%~80%

Atmospheric pressure: 70kPa~106kPa

Battery type                             

charging lithium battery

Working-viktageL                     

DC3.6V~DC4.2V

Power                                               

≤120mA

LCD display                          

2.4"TFT, 320*240 Pixels

Continuous running time         

7hours

Measurement of auscultation volume

Heart sound range

20Hz~230Hz

Lung sound range

100Hz~800Hz

Heart lung combination sound range

20Hz~800Hz

Measurement of Heart Rate

Range

30bpm~300bpm

Resolution:

1bpm

Accuracy

±2bpm or ±2%(select larger)

Measurement of SpO2

range

0%~100%

resolution

1%

accuracy

70%~100%SpO2,±2%.

< 70% , unspecified.

Measurement of pulse rate

Range

30bpm~250bpm

Resolution

1bpm

Accuracy

±2bpm or ±2%(select larger)

Measurement Performance in Weak filling Condition

0.4%   pulse-filling ratio

SpO2 error ±4%,

Pulse rate error±2 bpm or ±2%(select larger).

Resistance to surrounding light

Deviation: < ±1%.(man-made light, indoor natural light and that of darkroom)