How many LED’s are used in Pulse oximeter probe?(a) 1(b) 2(c) 3(d) 4I had been asked this question in examination.This intriguing question originated from Electroencephalograph (EEG) in portion Biomedical Recorders of Biomedical Instrumentation

How many LED’s are used in Pulse oximeter probe?(a) 1(b) 2(c) 3(d) 4

1.	How many LED’s are used in Pulse oximeter probe?(a) 1(b) 2(c) 3(d) 4I had been asked this question in examination.This intriguing question originated from Electroencephalograph (EEG) in portion Biomedical Recorders of Biomedical Instrumentation
Answer» Correct option is (B) 2 Easy EXPLANATION: This has two LEDs (light emitting diodes), one that transmits infrared light at a WAVELENGTH of APPROXIMATELY 940 NM and the other transmitting light at approximately 660 nm.

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How many LED’s are used in Pulse oximeter probe?(a) 1(b) 2(c) 3(d) 4I had been asked this question in examination.This intriguing question originated from Electroencephalograph (EEG) in portion Biomedical Recorders of Biomedical Instrumentation

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