95
4.2 SpO
2
Measurement
1 Technique: optical with dual-wavelength
LED wavelength: Red light: 663nm,
Infrared light: 890nm
Maximal optical output power: less than 2mW maximum average
2. SpO
2
display range: 0%~100%
3. SpO
2
measuring accuracy: Arms is not greater than 3% for SpO
2
range from 70% to 100%,
undefined during range 0%~70%
Note:
Arms is defined as root-mean-square value of deviation according to ISO 80601-2-61 /
ISO 9919
4. Measuring mode: spot-checking
5. SpO
2
display update: every second
6. SpO
2
averaging: Averages the recent eight seconds value falling within the acceptable limits
7. The table with measured SpO
2
accuracy specification in the discrete SpO
2
ranges:
ENGLISH
SpO
2
range
Arms
70%~80%
1,62
80%~90%
1,09
90%~100%
1,58
70%~100%
1,42
