United States
Video: How to choose a fingertip pulse oximeter
See how a basic display, perfusion index, and phone connectivity differ.
Read the transcript
Spot checks. If you only want an occasional oxygen saturation and pulse reading, check how the clip fits and whether you can read the screen. The US Beurer PO50 is one spot-check option.
Perfusion index. The Innovo iP900AP shows a perfusion index and a pulse waveform. The index describes the signal and does not establish that the device is more accurate.
Bluetooth. The blue Zacurate 500B-B lets you review readings in Beyond Oximeter. Check the model number, phone compatibility, and intended use before choosing.
What this video covers
Display
Look for a clear SpO₂ and pulse display. Check whether it rotates.
Perfusion index
PI describes part of the signal at the finger. It does not directly measure accuracy.
Bluetooth
Check which readings transfer and which app supports the exact US model.