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Best Pulse Oximeter for Home Use -- Pulse Oximeter


Pulse oximeters, which simply clip onto your fingertip, are non-invasive devices that can measure blood oxygen saturation as well as pulse (heart rate). They are relatively inexpensive (about $20) and can be purchased for home ("non-medical") use.

Although they are not as accurate as FDA-approved "medical" pulse oximeters, which cost much more and undergo more rigorous testing, comparison studies indicate that some (but not all) non-medical pulse oximeters can help signal when medical attention is needed in conditions such as COVID-19, asthma, and chronic obstructive pulmonary disease (COPD).

Learn the pros and cons of non-medical pulse oximeters, factors that can affect their accuracy, tips for geting more accurate readings, and which brand has performed best in studies. Sign in as a ConsumerLab member.

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December 20, 2020

Pulse Ox differences for people of color have been noted going back to 1998. Shameful this hasn't been addressed or solved by now.


December 2, 2020

We spend time in mountain cabins at high elevations (6000 - 10,000 feet) where the altitude causes a large drop in oxygen saturation. We need a meter that is accurate in the 80% to 90% range, and are willing to spend $100 - $200. Any suggestions?

November 7, 2020

Has ConsumerLab reviewed pulse oximeters? I clicked on a link but only found this brief statement talking about others' reviews.

November 7, 2020

We did not test these devices but reviewed the results for specific pulse oximeters published in independent studies by others, leading us select one as our Top Pick.

September 23, 2020

I'm curious about your comments on this video review https://www.youtube.com/watch?v=QvxjcNuMmiE

October 1, 2020

We watched the video, apparently made by the manufacturer of the DB products, so unclear how objective it is. In our article, we cite results from independent studies.

September 23, 2020

In terms of Amazon customer reviews, the ChoiceMMed Grey Finger Pulse Oximeter at $25 has good reviews. As a long-time (good) HR monitor user for athletics, I can attest to its accuracy on that score and it’s pulse oximeter readings closely jibe with what’s been found in the doctor’s office. I don’t know about its accuracy under 90, but if I had a steady reading there, at least during the covid-19 period, I’d be on the way to the hospital.

Other things to add about these finger monitors is that I’ve found they need to be held away from other electrical devices, such as a phone charger, the hand/arm should be flat not upright and lower than heart level, and it typically takes a few moments to a minute or so for the readings to become settle, all like in the doctor’s office.

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