Most pulse oximeters in use today specify an A(rms) of 2%. To meet this specification, two-thirds of the readings will be within 2% of the Co-oximeter reference; however, some individual readings can be as inaccurate as 6% or more. The A(rms) statistic does not have the capacity to ...
The technology of pulse oximeters appears relatively simple but is in fact somewhat complex. The spectral output of the red and the infra red LEDs in the sensor unit is central to the clinical accuracy of the device and where an initial verification of readings against blood measurements of oxy...