Main technical parameters:
Chip 660/905
Emission wavelength 660nm( ±5nm)
Absorption wavelength 905nm( ±5nm)
spo2 test range 70%-100%
spo2 accuracy ±2%(90%-100%)
±3%(70%-89%)
Pulse rate test range 30-245bpm
Pulse rate accuracy ±1 bpm(30-59bpm)
±2 bpm(60-149bmp)
±3 bpm(150-245bmp)
Measurement technology
Two-wavelength LEDs & photo detector
Environment temperature 0°C~40°C(32 ~104 Fahrenheit)
Relative humidity 0%-80%
Atmospheric pressure 700-1060 hPa
Power 5V( ±10%)