FYI.... Copied from one of my earlier posts.....
The low cost devices are notoriously inaccurate with dark skins.
These oximeters work by using an LED that emits two or more wavelengths and a photo-detector which measures the difference light absorption in oxygenated or deoxygenated blood.
The...
mama oken gaththa ban. post eke details nam adui, eth device eka original ekak.
https://www.medi-shop.gr/en/oximeters/imdk-finger-pulse-oximeter
IMDK C101A2 model eka, me video eke thiyena eka.
Caltech seller ge 1 yr warranty ekak thiyenawa.
US $11.19 30%OFF | Digital Fingertip Pulse Oximeter with Carrying Case Blood Oxygen Saturation Meter Finger SPO2 PR Health Home Care Portable
https://a.aliexpress.com/_mqwT7yB
ටෙස්ට් කරපු එකක් හොයලා ගන්න ඕනේ
https://pubmed.ncbi.nlm.nih.gov/27089002/
The Accuracy of 6 Inexpensive Pulse Oximeters Not Cleared by the Food and Drug Administration: The Possible Global Public Health Implications
Results: Pulse oximeter readings corresponding to 536 blood samples were...
https://www.indiatoday.in/fact-check/story/fact-chect-why-does-an-oximeter-display-oxygen-level-of-pens-1802334-2021-05-14
Oximeters detect oxygen levels based on the amount of red and infrared light falling on its sensors, and if somehow, an object is placed in a way that some amount of light...