Yonker YK-820B Mini Handheld Pulse Oximeter

• Device
• AAA batteries
• Probe in selected size

Yonker YK-820B Mini Handheld Pulse Oximeter FAQs

What is the Yonker YK-820B used for?

The YK-820B is a compact handheld oximeter designed for non-invasive monitoring of SpO₂ (oxygen saturation) and pulse rate. It is suitable for use in hospitals, clinics, and home care.

What parameters does it measure?

• SpO₂: 0–99%, accuracy ±2% (70–99%)

• Pulse Rate: 30–250 bpm, accuracy ±1 bpm

• Optional: Some models also support body temperature monitoring.

What display and alarms does it offer?

• 2.4-inch TFT LCD display showing waveform, numeric values, and plethysmograph.

• Audio and visual alarms with adjustable high/low limits.

• Alarm indicators for low battery and system malfunction.

Is the device portable and what powers it?

Yes. The YK-820B is lightweight and portable. It can run on standard AAA batteries or a rechargeable lithium battery, offering up to 10 hours of continuous use.

Does it support data storage?

Yes. The device can store up to 20 hours of trend data (SpO₂, pulse rate, and optional temperature), which can be reviewed on the device or transferred to a computer with compatible software.