Yonker SpO2 Pulse Oximeter YK-81D

Short Description:

While a Pulse Oximeter is used for medical, it is also a simple and convenient way to detect and monitor vital signs before and after any strenuous activity such as a workout at home or in the gym, and sports such as running, cycling, or climbing.

*Auditory alarm to warn you when your SpO2 or Pulse Rate is out of set limits.

*Auditory Beeps for every detected pulse.

*Adjustable display brightness.

*LED display now includes plethysmograph.

Product Detail

Tech Specs

Product Tags

Product Features

1.The fuselage adopts special light process design to ensure that the value is still accurate under strong light test condition.

2.The screen is made of two-color LED material, with double values of blood oxygen pulse, pulse waveform and bar chart.

3.Low power consumption, suitable for long time use, when the battery voltage is low, there is a warning display.

4.Automatic shutdown in 8 seconds when there is no signal.


LED display design, including SpO2 and PR function. Can provide you with the same  performance compared with OLED display.


Due to the improvement of shading design, this oximeter can reduce artificial light so that the product has a good ability to resist light interference.
For outdoor bright light blood oxygen test to bring more accurate value reminder.
Double layer pad also can provide you a pleasure using experience.

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  • SpO2
    Measurement range 70~99%
    Accuracy ±2% on the stage of 80%~99%;±3% (when SpO2 value is 70%~79%)Below 70% no requirement
    Resolution 1%
    Low perfusion performance PI=0.4%,SpO2=70%,PR=30bpm:FlukeIndex II, SpO2+3digits
    Pulse Rate
    Measure range 30~240 bpm
    Accuracy ±1bpm or ±1%
    Environment Requirements
    Operation Temperature 5~40℃
    Storage Temperature -10~+40℃
    Ambient Humidity 15%~80% on operation10%~80% in storage
    Atmosphere pressure 86kPa~106kPa
    Packaging Information 1pc YK-81D1pc lanyard1pc instruction manual2pcs AAA-size batteries(Option)1 pc pouch (option)1 pc silicon cover (option)
    Dimension 58mm*35mm*30mm
    Weight (without battery) 33g
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