User Manual for Fingertip Oximeter
11
4. Technical Specifications
A. Technique:
dual-wavelength LED sensor,
LED sensor wavelength:
Red light: 663 nanometers,
Infrared light: 890 nanometers.
Maximal optical output power:
less than 1.5mW maximum average.
B. SpO
2
measurement
Measuring range:
70%~100%
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 9919.
SpO
2
low limit setting range:
85%~99% (default 90%)
C.
Pulse Rate measurement
Measuring range: 30bpm~240bpm
Measuring accuracy: ±2bpm or ±2% (whichever is
greater)
Pulse Rate limit setting range:
