this post was submitted on 25 Jul 2024
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That was my reasoning exactly.
The sensors are decent enough for something that cost less than 50 euro, but clearly there's room to improve.
Good contact is quite fickle if there are any obstructions or even dirt on the skin, but my experience are mostly with the fingertop or earlobe sensors which are quite sensitive due to only using a red led. Does the wrist one use another kind of tech?
It's more to do with me not keeping the wrist strap actually the tightest it would go, because it's annoyingly squeezing then.
Sometimes, on some angles, there will be a bit of space between the sensor and my skin which would explain the bad reading.
Pretty sure the tech is more or less the same tech as in the basic rubber thing that gets put on your finger at hospital. Except those alway used red imo, not green. But idk. I don't really need the SPO2 feature so I don't mind.
Thanks for indulging my curiosity :)
My pleasure.