Main Parameters

Measure Type

Measure Range

Resolution:

Accuracy:

Auscultation volume

Heart sound

20Hz~230Hz

Lung sound:

100Hz~800Hz

Heart Rate

30bpm~300bpm

1bpm 

±2bpm/±2%(largest)

SpO2

0%~100%

±1%

70%~100%:absolute±2%

<70%:unspecified

Pulse rate

30bpm~250bpm

1bpm

±2bpm/±2%( largest)

Error of weak perfusion 

Value of SpO2 display Normally

±4%

Value of Pulse Rate display Normally

±2bpm/±2%( largest)

Anti surrounding light

The deviation of SpO2 measured value is less than ±1% between existing lighting 

source or indoor natural light and darkroom light.

Working environment

Temperature: 5℃~40℃

Relative Humidity: 20%~80%

Atmospheric pressure: 70kPa~106kPa

Environment Transport and storage

Temperature: -10℃ ~ +50℃

Relative Humidity: 10% ~ 95%

Atmospheric pressure: 50kPa ~ 106Kpa

Specification 

Battery  

A 3.7 V LITHIUM BATTERY

Display 

2.4” LCD screen with 320*240 Pixels

Size 

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