User's Manual

User Manual for All-in-One Health Monitor
Page XLII/69
4.2 SpO
2
Measurement
1. Technique: optical with dual-wavelength
Wavelength: Red light: 663nm, Infrared light: 890nm
Maximal optical output power: less than 2mW maximum average
2. SpO
2
displayed range: 35%-100%
3. SpO
2
measuring accuracy: A
rms
is not greater than 3% for SpO
2
range from 70% to 100%
Note: A
rms
is defined as root-mean-square value of deviation according to ISO 80601-2-61.
4. SpO
2
display update: every second
5. SpO
2
averaging: Averages the recent eight seconds value falling within the acceptable limits.
4.3 Pulse Rate Measurement
1. PR measuring range: 30bpm~240bpm
2. Pulse rate measuring accuracy: ±2bpm or ±2%, which is greater