95
4.2 SpO
Measurement
2
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
display range: 0%~100%
2
3. SpO
measuring accuracy: Arms is not greater than 3% for SpO
2
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
display update: every second
2
6. SpO
averaging: Averages the recent eight seconds value falling within the acceptable limits
2
7. The table with measured SpO
SpO
range
2
70%~80%
80%~90%
90%~100%
70%~100%
accuracy specification in the discrete SpO
2
Arms
1,62
1,09
1,58
1,42
ENGLISH
range from 70% to 100%,
2
ranges:
2