User Manual for Fingertip Oximeter
11
4. Technical Specifications
A. SpO
2
measurement
Technique:
dual-wavelength LED sensor with wavelength:
Red light: 663 nm, Infrared light: 890 nm.
Maximal optical output power:
<= 1.5mW
Measuring range:
35%~100%
Measuring accuracy:
A
rms
<= 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%
B.
Pulse Rate measurement
Measuring range: 30bpm~240bpm
Measuring accuracy: ±2bpm or ±2% (whichever is
greater)
Pulse Rate limit setting range:
high limit: 100~240bpm
low limit: 30~60bpm
C. Perfusion Index (PI) Display
Range: 0.2%~20%