19
9. Function Specification
SpO
2
[see note 1]
Display range
0% ~ 99%
Measured range
0% ~ 100%
Accuracy [see note 2]
70%~100%: ±2%;
0%~69%: unspecified.
Resolution
1%
PR
Display range
30 bpm ~ 250 bpm
Measured range
30 bpm ~ 250 bpm
Accuracy
[see note 3]
±2 bpm during the pulse rate range of 30 bpm ~ 99 bpm and ±2% during
the pulse rate range of 100 bpm ~ 250 bpm.
Resolution
1 bpm
Accuracy under low perfu-
sion [see note 4]
Low perfusion 0.4%:
SpO
2
: ±4%;
PR: ±2 bpm during the pulse rate range of 30 bpm ~ 99 bpm and ±2%
during the pulse rate range of 100 bpm ~ 250 bpm.
Light interference
Under normal and ambient light conditions, the SpO
2
deviation ≤ 1%
Pulse intensity
Continuous bar graph display, the higher display indicates the stronger pulse.
Optical sensor [see note 5]
Red light
Wavelength: about 660 nm, optical output power: < 6.65 mW
Infrared light
Wavelength: about 905 nm, optical output power: < 6.75 mW
Safety class
Internally powered equipment, type BF applied part
International Protection
IP22
